title stringlengths 12 88 | url stringlengths 44 65 | markdown stringlengths 275 7.65k | crawlDate stringdate 2025-06-26 09:12:15 2025-06-26 09:28:08 | category stringclasses 12
values | More Information listlengths 0 10 ⌀ | Did You Know? stringlengths 0 2.28k |
|---|---|---|---|---|---|---|
What are nature-based solutions? | https://oceanservice.noaa.gov/facts/nature-based.html | # What are nature-based solutions?
_Mordecai Island, New Jersey, protects... | 2025-06-26T09:12:15.652Z | Ocean Ecosystems | [
{
"url": "https://coastalscience.noaa.gov/news/new-report-evaluates-benefits-of-using-dredged-sediments-to-enhance-coastal-ecosystems/",
"text": "New report evaluates benefits of using dredged sediments to enhance coastal ecosystems"
},
{
"url": "https://www.fisheries.noaa.gov/feature-story/noaa-and... | |
What is longitude? | https://oceanservice.noaa.gov/facts/longitude.html | # What is longitude?
_Lines of longitude, also called meridians, are imaginary lines that divide the Earth. They run north to south from pole to pole, but they measure the distance east or west. Longitude is measured in degrees, minutes, and seconds... | 2025-06-26T09:12:25.721Z | Geography and Geodesy | [
{
"url": "https://oceanservice.noaa.gov/facts/latitude.html",
"text": "What is latitude?"
},
{
"url": "https://oceanservice.noaa.gov/geodesy/gps/",
"text": "Global Positioning"
},
{
"url": "https://oceanservice.noaa.gov/facts/nsrs.html",
"text": "National Spatial Reference System"
... | |
What is the Atlantic Meridional Overturning Circulation (AMOC)? | https://oceanservice.noaa.gov/facts/amoc.html | # What is the AMOC?
_The [global conveyor belt](/facts/conveyor.html), shown in part here, circulates cool subsurface water and warm surface water throughout the w... | 2025-06-26T09:12:25.866Z | Tides and Currents | [
{
"url": "https://oceanservice.noaa.gov/education/tutorial_currents/welcome.html",
"text": "Tutorial: All About Currents"
},
{
"url": "https://oceanservice.noaa.gov/facts/current.html",
"text": "What is a current?"
},
{
"url": "https://oceanservice.noaa.gov/facts/conveyor.html",
"tex... | |
What is a barrier island? | https://oceanservice.noaa.gov/facts/barrier-islands.html | # What is a barrier island?
_[Satellite image](https://earthobservatory.nasa.gov/images/88619/cape-hatteras-national-seashore) of Cape Hatteras National Seashore on the Outer Banks of North Carolina. Credit: NASA’s Earth Observatory._
Barr... | 2025-06-26T09:12:26.959Z | Ocean and Coastal Places | [
{
"url": "https://oceanservice.noaa.gov/education/tutorial_currents/media/supp_cur03c.html",
"text": "Barrier Island Tutorial"
},
{
"url": "https://www.fisheries.noaa.gov/feature-story/noaa-and-partners-build-coastal-resiliency-natural-infrastructure-louisiana",
"text": "Coastal Resiliency in Lo... | |
What is latitude? | https://oceanservice.noaa.gov/facts/latitude.html | # What is latitude?
_Latitude lines start at the equator (0 degrees latitude) and run east and west, parallel to the equator. Lines of latitude are measured in degrees north or south of the equator to 90 degrees at the North or South p... | 2025-06-26T09:12:27.101Z | Geography and Geodesy | [
{
"url": "https://oceanservice.noaa.gov/facts/longitude.html",
"text": "What is longitude?"
},
{
"url": "https://oceanservice.noaa.gov/geodesy/gps/",
"text": "Global Positioning"
},
{
"url": "https://oceanservice.noaa.gov/education/tutorial_geodesy/",
"text": "Global Positioning Tuto... | |
How long do Greenland sharks live? | https://oceanservice.noaa.gov/facts/greenland-shark.html | # How long do Greenland sharks live?
_Close-up image of a greenland shark taken at the floe edge of the Admiralty Inlet, Nunavut._
_Photo credit - Hemming1952 | [Wikimedia Commons](https://... | 2025-06-26T09:12:36.378Z | Ocean Life | [
{
"url": "https://www.fisheries.noaa.gov/national/international-affairs/shark-conservation",
"text": "Shark Conservation"
},
{
"url": "https://www.fisheries.noaa.gov/insight/understanding-bycatch",
"text": "Understanding Bycatch"
},
{
"url": "https://oceantoday.noaa.gov/reducingbycatch/"... | |
How much oxygen comes from the ocean? | https://oceanservice.noaa.gov/facts/ocean-oxygen.html | # How much oxygen comes from the ocean?
_The surface layer of the ocean is teeming with photosynthetic plankton. Though they're invisible to the naked eye, they produce more oxygen than the largest redwoods._
Scientists estimate that roughly half ... | 2025-06-26T09:12:36.510Z | Ocean and Coastal Science | [
{
"url": "https://oceanservice.noaa.gov/facts/phyto.html",
"text": "What are Phytoplankton?"
},
{
"url": "https://earthobservatory.nasa.gov/images/87465/oxygen-factories-in-the-southern-ocean",
"text": "Oxygen Factories in the Southern Ocean"
},
{
"url": "https://oceanservice.noaa.gov/ha... | |
Can we clean up, stop, or end harmful algal blooms? | https://oceanservice.noaa.gov/facts/hab-solutions.html | # Can we clean up, stop, or end harmful algal blooms?
![A harmful algal bloom outbreak on Lake Erie viewed from space](/facts/hab-solutions960.jpg "Imagery of the Western Lake Erie harmful algal bloom from September 26, 2017. The scum shown here near downtown Toledo stretched all the way to Lake Ontario. This photo is... | 2025-06-26T09:12:37.627Z | Ocean Ecosystems | [
{
"url": "https://coastalscience.noaa.gov/",
"text": "National Centers for Coastal Ocean Science"
},
{
"url": "https://oceanservice.noaa.gov/hazards/hab/",
"text": "Harmful Algal Bloom Portal"
},
{
"url": "https://oceanservice.noaa.gov/facts/habharm.html",
"text": "Are all algal bloo... | - *Less than one percent of algal blooms actually produce toxins. Not all algal blooms are harmful, and some may actually be beneficial. Phytoplankton are microscopic algae that form the base of the marine food web, and therefore, all other life in the ocean relies on them. Blooms can also be good indicators of environ... |
What are plankton? | https://oceanservice.noaa.gov/facts/plankton.html | # What are plankton?
The word “plankton” comes from the Greek for “drifter” or “wanderer.” An organism is considered plankton if it is carried by tides and currents, and cannot swim well enough to move against these forces. Some plankton drift this way for their entire life cycle. Others are only classified as plankto... | 2025-06-26T09:12:37.750Z | Ocean and Coastal Science | [
{
"url": "https://oceanservice.noaa.gov/facts/phyto.html",
"text": "What are phytoplankton?"
},
{
"url": "https://oceanservice.noaa.gov/hazards/hab/",
"text": "Harmful Algal Blooms"
},
{
"url": "https://www.fisheries.noaa.gov/national/ecosystems/plankton-data-and-visualization",
"tex... | |
What is a sponge? | https://oceanservice.noaa.gov/facts/sponge.html | # What is an sponge?
_A variety of sponges dot the seascape of [Flower Garden Banks National Marine Sanctuary](... | 2025-06-26T09:12:47.714Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/glass-sponge.html",
"text": "What is a glass sponge?"
},
{
"url": "https://oceanservice.noaa.gov/facts/coral.html",
"text": "Are corals animals or plants?"
},
{
"url": "https://oceanservice.noaa.gov/facts/coral_species.html",
"text": "Wha... | - *Sponges are found in a wide variety of colors, shapes, and sizes and are often mistaken for plants. Scientists believe that their varied colorations may protect them from the sun’s harmful ultraviolet rays.* |
What are coquina and tabby? | https://oceanservice.noaa.gov/facts/coquina-tabby.html | # What are coquina and tabby?
_The Castillo de San Marcos National Monume... | 2025-06-26T09:12:47.871Z | Ocean and Coastal Places | [
{
"url": "https://www.nps.gov/casa/index.htm",
"text": "Castillo de San Marcos National Monument"
},
{
"url": "https://www.nps.gov/articles/nps-designations.htm",
"text": "What's In a Name? Discover National Park System Designations"
}
] | |
What is the carbon cycle? | https://oceanservice.noaa.gov/facts/carbon-cycle.html | # What is the carbon cycle?
VIDEO: The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Human activities have a tremendous impact on this cycle. Burning fossil fuels, changing land use, and using limestone to make concrete a... | 2025-06-26T09:12:48.900Z | Ocean and Coastal Science | [
{
"url": "https://www.noaa.gov/education/resource-collections/climate-education-resources/carbon-cycle",
"text": "Carbon Cycle: NOAA Education Resources"
},
{
"url": "https://oceanservice.noaa.gov/education/planet-stewards/webinar-blue-carbon-green-infrastructure-biodiversity-humanhealth.html",
... | |
What is the intertidal zone? | https://oceanservice.noaa.gov/facts/intertidal-zone.html | # What is the intertidal zone?
## The **intertidal zone** is the area where the **ocean meets the land** between high and low tides.
A tide pool within [Monterey Bay National Marine Sanctuary](https://montereybay.noaa.gov/).
In... | 2025-06-26T09:12:49.044Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/ocean-etiquette.html",
"text": "Ocean Etiquette"
},
{
"url": "https://oceanservice.noaa.gov/recreation/",
"text": "America's Great Outdoors"
},
{
"url": "https://sanctuaries.noaa.gov/",
"text": "National Marine Sanctuaries"
},
{
"... | - Take only [photographs and leave only footprints](https://oceanservice.noaa.gov/facts/ocean-etiquette.html)! Empty shells are recycled and reused by
animals such as hermit crabs. Seaweed tossed on the shore decomposes and recycles nutrients
back into the marine ecosystem. |
How do hurricanes affect sea life? | https://oceanservice.noaa.gov/facts/hurricanes-sea-life.html | # How do hurricanes affect sea life?
_A sunken vessel among a coral colony in Vieques, Puerto Rico, on Oct. 23, 2017. Following Hurricane Maria in 2017, NOAA and partners removed a total of 479 ... | 2025-06-26T09:12:58.966Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/hazards/hurricanes",
"text": "NOS role before, during, and after hurricanes"
},
{
"url": "https://floridakeys.noaa.gov/whatsnew/around/2012/hurricanes.html",
"text": "Hurricanes: Friend or foe to coral reefs?"
},
{
"url": "https://oceanservice.noaa... | - *Delicate branching corals, like staghorn and elkhorn species, are among the most vulnerable to
breakage and can be reduced to rubble during hurricanes or even less severe storms. Sometimes,
though, the breaking of coral into pieces may actually help a [coral colony reproduce through a process called fragmentation](h... |
What is a tide pool? | https://oceanservice.noaa.gov/facts/tide-pool.html | # What is a tide pool?
_Tide pools are found in intertidal zones, which are areas where the ocean meets the land: from steep, rocky ledges to long, sloping sandy beaches and vast mudflats._
#... | 2025-06-26T09:12:59.120Z | Ocean and Coastal Places | [
{
"url": "https://oceanservice.noaa.gov/facts/intertidal-zone.html",
"text": "What is an intertidal zone?"
},
{
"url": "https://oceanservice.noaa.gov/facts/ocean-etiquette.html",
"text": "Ocean Etiquette"
},
{
"url": "https://oceanservice.noaa.gov/recreation/",
"text": "America's Gre... | |
What is a glass sponge? | https://oceanservice.noaa.gov/facts/glass-sponge.html | # What is a glass sponge?
##### **Did you know?**
_Glass sponge reefs were thought to have gone extinct about 40 million years ago, leaving behind giant fossil cliffs that stretch across parts of Spain, France, Germany, and Romania. In 1987, however, a team of Canadian scientists discovered 9,000-year-old living glas... | 2025-06-26T09:13:00.235Z | Ocean Ecosystems | [
{
"url": "https://oceanexplorer.noaa.gov/explorations/04alaska/logs/aug12/aug12.html",
"text": "The Glass House: Sponges of the Alaska Seamounts (NOAA Ocean Explorer)"
},
{
"url": "https://oceanservice.noaa.gov/facts/coral_species.html",
"text": "What species live in and around coral reefs?"
}... | - *Glass sponge reefs were thought to have gone extinct about 40 million years ago, leaving behind giant fossil cliffs that stretch across parts of Spain, France, Germany, and Romania. In 1987, however, a team of Canadian scientists discovered 9,000-year-old living glass sponge reefs on British Columbia’s northern coas... |
What is the most commonly found ocean litter? | https://oceanservice.noaa.gov/facts/most-common-ocean-litter.html | # What is the most commonly found ocean litter?
_Cigarette and cigarette filter found on the beach at Sandy Point State Park, Maryland._
Broken bottles, plastic toys, food wrappers ... during ... | 2025-06-26T09:13:00.367Z | Ocean Ecosystems | [
{
"url": "https://marinedebris.noaa.gov/",
"text": "NOAA Marine Debris Program"
},
{
"url": "https://blog.marinedebris.noaa.gov/no-butts-about-it-cigarettes-are-most-common-debris",
"text": "No Butts About It: Cigarettes are the Most Common Debris"
}
] | - *Cigarette butts continue to rank among the most common types of marine debris found. [The Ocean Conservancy’s 2018 International Coastal Cleanup Report](https://oceanconservancy.org/trash-free-seas/international-coastal-cleanup/annual-data-release/) stated that 2,412,151 cigarette butts were collected worldwide in 2... |
How Many Species Live in the Ocean? | https://oceanservice.noaa.gov/facts/ocean-species.html | # What is an sponge?
##### **Did you know?**
_Whether you’re dealing with humans or [horseshoe crabs](/facts/horseshoe-crab.html), it’s important to mind your manners. Being respectful of ocean life is vital to protecting endangered species, federally-protected species, and thousands of other species. Learn more abou... | 2025-06-26T09:13:09.625Z | Ocean Basics | [
{
"url": "https://oceanservice.noaa.gov/observations/mbon.html",
"text": "U.S. Marine Biodiversity Observing Network:\nBuilding Global Connections"
},
{
"url": "https://ioos.noaa.gov/project/bio-data/",
"text": "Marine Biodiversity Observation Network (MBON)"
},
{
"url": "https://oceanse... | - *Whether you’re dealing with humans or [horseshoe crabs](https://oceanservice.noaa.gov/facts/horseshoe-crab.html), it’s important to mind your manners. Being respectful of ocean life is vital to protecting endangered species, federally-protected species, and thousands of other species. Learn more about [ocean etiquet... |
What causes seasickness? | https://oceanservice.noaa.gov/facts/seasickness.html | # What causes seasickness?
_A large wave towering astern of the [NOAA Ship **Delaware II**](https://www.fisheries.noaa.gov/new-england-mid-atlantic/about-us/noaa-r-v-delaware-ii-has-illustrious-history) ... | 2025-06-26T09:13:09.794Z | Health & Safety | [
{
"url": "https://oceanservice.noaa.gov/facts/wavesinocean.html",
"text": "Why do we have waves?"
},
{
"url": "https://oceanservice.noaa.gov/facts/roguewaves.html",
"text": "What is a rogue wave?"
},
{
"url": "https://oceanservice.noaa.gov/facts/windward-leeward.html",
"text": "What ... | |
How does sand form? | https://oceanservice.noaa.gov/facts/sand.html | # How does sand form?
The environmentalist [Rachel Carson](https://blog.response.restoration.noaa.gov/rachel-carson-biologist-writer-role-model) wrote, "In every curving beach, in every grain of sand, there is a story of the Earth."
Sand comes from many locations, sources, and environments. Sand forms when rocks brea... | 2025-06-26T09:13:10.857Z | Ocean and Coastal Science | [
{
"url": "https://oceanservice.noaa.gov/facts/living-shoreline.html",
"text": "What is a living shoreline?"
}
] | - Sand is measured according to specific parameters. If more than 50 percent of the material is larger in diameter than 75 microns (.03 inches) but smaller than .18 inches, it is said to be sand. If the average particle size is smaller, it is considered to be silt or clay, and if the average particle size is larger, it... |
What is a canal? | https://oceanservice.noaa.gov/facts/canal.html | # What is a canal?
The Gowanus Canal was built in the mid-1800s and once served as a major commerci... | 2025-06-26T09:13:10.978Z | Ocean Technology | [
{
"url": "https://oceanservice.noaa.gov/facts/great-loop.html",
"text": "What is the Great Loop?"
},
{
"url": "https://oceanservice.noaa.gov/facts/nrt.html",
"text": "NOAA’s Navigation Response Team"
},
{
"url": "https://tidesandcurrents.noaa.gov/ports.html",
"text": "Physical Oceano... | - [What is the Great Loop?](https://oceanservice.noaa.gov/facts/great-loop.html)
- [NOAA’s Navigation Response Team](https://oceanservice.noaa.gov/facts/nrt.html)
- [Physical Oceanographic Real-Time System (PORTS®)](https://tidesandcurrents.noaa.gov/ports.html)
- [Gowanus Canal](https://darrp.noaa.gov/hazardous-wast... |
What does the ocean have to do with human health? | https://oceanservice.noaa.gov/facts/ocean-human-health.html | # What percentage of life is estimated to be in the ocean?
## What does the ocean have to do with human health?
## The ocean is closely tied to human health.
Our ocean and coasts affect us all!
Our ocean and coasts affect us all—even t... | 2025-06-26T09:13:20.906Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/oceaneconomy.html",
"text": "How important is the ocean to our economy?"
},
{
"url": "https://coast.noaa.gov/digitalcoast/data/enow.html",
"text": "NOAA’s Economics: National Ocean Watch"
},
{
"url": "https://oceanservice.noaa.gov/recreation/... | |
Do We Still Need Lighthouses? | https://oceanservice.noaa.gov/facts/lighthouse.html | # Do We Still Need Lighthouses?
_[Point Arena Lighthouse](https://farallones.noaa.gov/about/history.html), which sits near the northern boundary of [Greater Farallones National Marine Sanctuary](... | 2025-06-26T09:13:21.026Z | Ocean Technology | [
{
"url": "https://nauticalcharts.noaa.gov/charts/noaa-enc.html",
"text": "Electronic Navigational Charts"
},
{
"url": "https://nauticalcharts.noaa.gov/",
"text": "Office of Coast Survey"
},
{
"url": "https://sanctuaries.noaa.gov/news/may23/beacons-of-history.html",
"text": "Beacons o... | - *While many lighthouses still shine, cartographers in NOAA’s Office of Coast Survey practice the art and science of designing, compiling, updating, and distributing [Electronic Navigational Charts](https://nauticalcharts.noaa.gov/charts/noaa-enc.html). These charts are specifically tailored to the needs of marine nav... |
What do leeward and windward mean? | https://oceanservice.noaa.gov/facts/windward-leeward.html | # What do leeward and windward mean?
##### **Did you know?**
_In sailing terminology, windward means "upwind," or the direction from which the wind is blowing. A windward vessel refers to one that is upwind of another vessel; a leeward vessel is downwind. In naval warfare during the [Age of Sail](/navigation/nautical... | 2025-06-26T09:13:22.150Z | Ocean Observations | [
{
"url": "https://oceanservice.noaa.gov/facts/tradewinds.html",
"text": "What are the tradewinds?"
},
{
"url": "https://oceanservice.noaa.gov/facts/conveyor.html",
"text": "What is the global ocean conveyor belt?"
},
{
"url": "https://oceanservice.noaa.gov/navigation/nautical-terms.html"... | - *In sailing terminology, windward means "upwind," or the direction from which the wind is blowing. A windward vessel refers to one that is upwind of another vessel; a leeward vessel is downwind. In naval warfare during the [Age of Sail](https://oceanservice.noaa.gov/navigation/nautical-terms.html), windward ships had... |
What are brain corals? | https://oceanservice.noaa.gov/facts/brain-coral.html | # What are brain corals?
## Brain corals, a **slow-growing** species of coral, often act as **foundations for reefs**.
Brain coral in the Dry Tortugas, Florida.
The cerebral-looking organisms known as brain corals do not have brains, but they can grow six feet tall and live fo... | 2025-06-26T09:13:22.271Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/coral.html",
"text": "Are corals animals or plants?"
},
{
"url": "https://oceanservice.noaa.gov/facts/coralmadeof.html",
"text": "What is a coral reef made of?"
},
{
"url": "http://coralreef.noaa.gov/",
"text": "NOAA Coral Reef Conservati... | -
- The ecological importance of brain corals is enormous. Brain corals grow very slowly, but they build super strong structures that act as the foundations of coral reefs. They are known as [massive growth type](https://oceanservice.noaa.gov/education/kits/corals/media/supp_coral03h.html) corals. Massive corals take... |
How many high tides are there per day? | https://oceanservice.noaa.gov/facts/high-tide.html | # How many high tides are there per day?
_If the Earth were a perfect sphere without large continents, and if the earth-moon-sun system were in perfect alignment, every place would get two equal high and low tides every day. However, the alignment of ... | 2025-06-26T09:13:32.270Z | Ocean Observations | [
{
"url": "https://oceanservice.noaa.gov/facts/tides.html",
"text": "What are tides?"
},
{
"url": "https://oceanservice.noaa.gov/facts/tide_monitor.html",
"text": "How do we monitor tides?"
},
{
"url": "https://oceanservice.noaa.gov/education/tutorial_tides/",
"text": "Tides and Water... | |
What causes a sea turtle to be born male or female? | https://oceanservice.noaa.gov/facts/temperature-dependent.html | # What causes a sea turtle to be born male or female?
_A Green turtle hatchling heads to sea in the northwest Hawaiian islands. Credit: Mark Sullivan, NOAA Permit 10137-07_
In most species, sex is determined during fertilization. However, the sex of most [turtles... | 2025-06-26T09:13:33.459Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/turtle-hatch.html",
"text": "How do sea turtles hatch? (video)"
},
{
"url": "https://oceanservice.noaa.gov/news/june15/sea-turtles.html",
"text": "What do you know about the sea turtle?"
},
{
"url": "https://oceanservice.noaa.gov/facts/green-... | - *Current research suggests that warming trends due to climate change may result in more female turtles being born!*
- [How do sea turtles hatch? (video)](https://oceanservice.noaa.gov/facts/turtle-hatch.html)
- [What do you know about the sea turtle?](https://oceanservice.noaa.gov/news/june15/sea-turtles.html)
- [... |
What are the oldest living animals in the world? | https://oceanservice.noaa.gov/facts/oldest-living-animal.html | # What are the oldest living animals in the world?
##### **Did you know?**
_People often mistake corals for plants or even rocks, but corals actually consist of colonies of living invertebrate animals._
##### More **Information**
##### [Get **Social**](/socialmedia.html) | 2025-06-26T09:13:33.586Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/coral.html",
"text": "Are corals animals or plants?"
},
{
"url": "https://oceanservice.noaa.gov/facts/coralmadeof.html",
"text": "What is a coral reef made of?"
},
{
"url": "http://news.psu.edu/story/439785/2016/11/30/research/corals-much-old... | - *People often mistake corals for plants or even rocks, but corals actually consist of colonies of living invertebrate animals.*
- [Are corals animals or plants?](https://oceanservice.noaa.gov/facts/coral.html)
- [What is a coral reef made of?](https://oceanservice.noaa.gov/facts/coralmadeof.html)
- [Corals much ol... |
How do hurricanes form? | https://oceanservice.noaa.gov/facts/how-hurricanes-form.html | # How do hurricanes form?
##### **Did you know?**
_Less than one percent of algal blooms actually produce toxins. Not all algal blooms are harmful, and some may actually be beneficial. Phytoplankton are microscopic algae that form the base of the marine food web, and therefore, all other life in the ocean relies on t... | 2025-06-26T09:13:42.888Z | Ocean and Coastal Science | [
{
"url": "https://oceanservice.noaa.gov/hazards/hurricanes/",
"text": "Hurricanes: Preparedness, Response, Recovery"
},
{
"url": "https://oceantoday.noaa.gov/fuelforthestorm/",
"text": "Ocean Today: Fuel for the Storm"
},
{
"url": "https://oceanservice.noaa.gov/facts/storm-names.html",
... | - *Less than one percent of algal blooms actually produce toxins. Not all algal blooms are harmful, and some may actually be beneficial. Phytoplankton are microscopic algae that form the base of the marine food web, and therefore, all other life in the ocean relies on them. Blooms can also be good indicators of environ... |
What is a lagoon? | https://oceanservice.noaa.gov/facts/lagoon.html | # What is a lagoon?
## A lagoon is a body of water separated from larger bodies of water by a natural barrier.
This [NASA sa... | 2025-06-26T09:13:43.045Z | Ocean and Coastal Places | [
{
"url": "https://farallones.noaa.gov/visit/locations.html",
"text": "Greater Farallones National Marine Sanctuary: Bolinas Lagoon"
},
{
"url": "https://www.pmel.noaa.gov/co2/story/Chuuk+K1",
"text": "Chuuk Lagoon: Coral Reef Monitoring Area"
}
] | -
- Lagoons are more than just scenic waterbodies; they are often important habitats for aquatic life. In the Commonwealth of the Northern Marianas, typhoons, bleaching, and human-caused threats have impacted [Saipan Lagoon](https://coastalscience.noaa.gov/project/mapping-habitat-change-saipan-lagoon-cnmi/). Local re... |
What is Ecoforecasting? | https://oceanservice.noaa.gov/facts/ecoforecasting.html | # What is ecoforecasting?
_Ecoforecasts bring together wide-ranging research and observations to allow coastal resource managers to answer "What if?" questions about the numerous factors that affect coastal resources. Here... | 2025-06-26T09:13:44.136Z | Ocean and Coastal Science | [
{
"url": "https://oceanservice.noaa.gov/podcast/feb18/nop13-hypoxia.html",
"text": "Dealing with Dead Zones: Hypoxia in the Ocean (Podcast)"
},
{
"url": "https://oceanservice.noaa.gov/facts/ecosci.html",
"text": "What is ecosystem science?"
},
{
"url": "https://oceanservice.noaa.gov/ecos... | - *NOAA’s ecoforecasting efforts made it possible for experts to confidently predict the end of the [third global coral bleaching event](https://www.noaa.gov/media-release/noaa-declares-third-ever-global-coral-bleaching-event). NOAA and partners used ocean temperature data from satellites and operational climate models... |
Are all fish cold-blooded? | https://oceanservice.noaa.gov/facts/cold-blooded.html | # Are all fish cold-blooded?
_The opah, the only known fully warm-blooded fish, is a valuable species for commercial and recreational fishermen. However, researchers do not have a full understanding of the basic biology and ec... | 2025-06-26T09:13:44.265Z | Ocean Ecosystems | [
{
"url": "https://swfsc.noaa.gov/news.aspx?ParentMenuId=39&id=20466",
"text": "Warm Blood Makes Opah an Agile Predator (NOAA Southwest Science Fisheries Center)"
}
] | - *A few other fish such as tuna and some sharks warm certain parts of their bodies, boosting their swimming performance. But internal organs including their hearts cool off quickly and begin to slow down when they dive into cold depths, forcing them to return to shallower depths to warm up.*
- [Warm Blood Makes Opah ... |
Where do fish go when it freezes outside? | https://oceanservice.noaa.gov/facts/fish-freeze.html | # Where do fish go when it freezes outside?
## Most fish **slow down and "rest" near the bottom** during cold winter months.
![White Shoal Lighthouse in northern Lake Michigan. (Courtesy Dick Moehl, Great Lakes Lighthouse Keepers Association)](/facts/frozenfish.jpg "White Shoal Lighthouse in northern Lake Michigan. (... | 2025-06-26T09:13:54.282Z | Ocean Ecosystems | [
{
"url": "https://coastalscience.noaa.gov/",
"text": "National Centers for Coastal Ocean Science"
},
{
"url": "https://oceanservice.noaa.gov/facts/fish-sleep.html",
"text": "Do fish sleep?"
},
{
"url": "https://oceanservice.noaa.gov/facts/pelagic.html",
"text": "What are pelagic fish... | -
- Just like the human "snowbirds" who fly south for the winter, saltwater fish often cruise to warmer climes when the mercury plummets. With the exceptions of the polar regions, salty ocean water rarely freezes. Oceangoing species also tend to stay near the bottom, where warmer water and swifter currents prevail. |
What is ocean noise? | https://oceanservice.noaa.gov/facts/ocean-noise.html | # What is ocean noise?
_Humpback whales swimming underwater. Photo credit: Ed Lyman/NOAA, under NOAA permit #14682_
Many marine organisms rely on their ability to hear for their survival. Sound is a highly efficient ... | 2025-06-26T09:13:54.426Z | Ocean Ecosystems | [
{
"url": "https://sanctuaries.noaa.gov/news/jun16/noisy-ocean.html",
"text": "A Noisy Ocean: A Q&A with Dr. Leila Hatch"
},
{
"url": "https://oceanservice.noaa.gov/facts/sound.html",
"text": "How far does sound travel in the ocean?"
},
{
"url": "http://oceantoday.noaa.gov/soundsunderthe... | |
What is a gyre? | https://oceanservice.noaa.gov/facts/gyre.html | # What is a gyre?
## A gyre is a large system of rotating ocean currents.
There are five major gyres, which are large systems of rotating ocean currents. The ocean churns up various types of currents. Together, these larger and more permanent cu... | 2025-06-26T09:13:55.549Z | Tides and Currents | [
{
"url": "https://oceanservice.noaa.gov/podcast/apr14/mw123-currents.html",
"text": "Motion in the Ocean (video)"
},
{
"url": "https://oceanservice.noaa.gov/facts/tidescurrents.html",
"text": "What's the difference between a tide and a current?"
},
{
"url": "https://oceanservice.noaa.gov... | - Currents don’t just move water. They move [people and goods](https://oceanservice.noaa.gov/facts/currentdata.html), as well as pollution and debris. To better understand how currents move people and things, NOAA collects and shares data on tides and currents. This data guides safe navigation of coastal waters, search... |
What is a watershed? | https://oceanservice.noaa.gov/facts/watershed.html | # What is a watershed?
_While some watersheds are relatively small, others encompass thousands of... | 2025-06-26T09:13:55.671Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/eutrophication.html",
"text": "What is eutrophication?"
},
{
"url": "https://oceanservice.noaa.gov/facts/nutpollution.html",
"text": "What is nutrient pollution?"
},
{
"url": "https://oceanservice.noaa.gov/facts/pollution.html",
"text": ... | -
- The [Chesapeake Bay](https://oceanservice.noaa.gov/facts/chesapeake.html) watershed is home to 18 million people and covers 64,000 square miles (165,759 square kilometers). Water from as far away as upstate New York eventually finds its way to the Chesapeake—the nation’s largest [estuary](https://oceanservice.noa... |
What is a sea lamprey? | https://oceanservice.noaa.gov/facts/sea-lamprey.html | # What is a sea lamprey?
## The sea lamprey—an **ancient Atlantic fish** that wreaked havoc on the Great Lakes—may be America's **first destructive invasive species**.
The rasping mouth of the sea lamprey, an infamous Great Lakes invader... | 2025-06-26T09:14:05.595Z | Ocean Ecosystems | [
{
"url": "http://www.glfc.org/sealamp/how.php",
"text": "Sea Lamprey Control in the Great Lakes (Great Lakes Fishery Commission)"
}
] | -
- In 1829, when engineers completed the Welland Canal that connects Lake Ontario to Lake Erie, they believed that the new inland navigation route would foster economic growth and prosperity in the upper Midwest of the recently minted United States of America. They never could have known that they were providing pas... |
What is eutrophication? | https://oceanservice.noaa.gov/facts/eutrophication.html | # What is eutrophication?
VIDEO: What is eutrophication? Here's an overview in one minute. [Transcript](#transcript)
Eutrophication is a big word that describes a big problem in the nation's estuaries. [Harmful algal blooms](/hazards/hab/), [dead zones](/facts/deadzone.html), and fish kills are the results of a proce... | 2025-06-26T09:14:05.726Z | Ocean and Coastal Science | [
{
"url": "https://coastalscience.noaa.gov/",
"text": "National Centers for Coastal Ocean Science"
},
{
"url": "https://oceanservice.noaa.gov/podcast/jan15/os5-eutrophication.html",
"text": "Eutrophication (audio podcast)"
},
{
"url": "https://oceanservice.noaa.gov/hazards/hypoxia/",
... | - *In September 2017, New York Governor Andrew M. Cuomo announced a $10.4 million effort to improve Long Island's water quality and bolster the economies and resiliency of coastal communities by restoring native shellfish populations to coastal waters. The state plans to establish five new sanctuary sites in Suffolk an... |
What is coral spawning? | https://oceanservice.noaa.gov/facts/coral-spawning.html | # What is coral spawning?
Corals are a beautiful and important part of our ocean. But they can't move around the ocean floor. So, how, exactly, do they find mates? See the bizarre and beautiful phenomenon of coral spawning in this [Ocean Today](http://oceantoday.noaa.gov/coralspawning/) video. [Transcript](#transcript... | 2025-06-26T09:14:06.830Z | Ocean Ecosystems | [
{
"url": "https://sanctuaries.noaa.gov/news/may22/explore-spectacular/coral-spawning.html",
"text": "Mass Coral Spawning: Exploring National Marine Sanctuaries"
},
{
"url": "http://coralreef.noaa.gov/",
"text": "Coral Reef Conservation Program"
},
{
"url": "http://floridakeys.noaa.gov/wh... | - *NOAA is an international leader in efforts to study and conserve corals for future generations. [Find out what we're doing](https://oceanservice.noaa.gov/oceans/corals/).*
- [Mass Coral Spawning: Exploring National Marine Sanctuaries](https://sanctuaries.noaa.gov/news/may22/explore-spectacular/coral-spawning.html)
... |
What is high tide flooding? | https://oceanservice.noaa.gov/facts/high-tide-flooding.html | # What is high tide flooding?
##### **Adding in Sea Level Rise**
NOAA’s Office for Coastal Management offers an [online tool to visualize](https://coast.noaa.gov/stormwater-floods/understand/) how different local factors, such as strong tides and rainfall, combine to create coastal flooding. You can add sea level ris... | 2025-06-26T09:14:06.952Z | Tides and Currents | [
{
"url": "https://tidesandcurrents.noaa.gov/high-tide-flooding/monthly-outlook.html",
"text": "Monthly High Tide Flooding Outlook"
},
{
"url": "https://oceanservice.noaa.gov/hazards/sealevelrise/sealevelrise-tech-report.html",
"text": "2022 Sea Level Rise Technical Report"
},
{
"url": "h... | |
What is a Rossby wave? | https://oceanservice.noaa.gov/facts/rossby-wave.html | # What is a Rossby wave?
_Rossby waves naturally occur in rotating fluids. Within the Earth's ocean and atmosphere, these planetary waves play a significant role in shaping weather. This animation from NASA's Goddard Space Flight Center shows both [long and short](https://www.weather.gov/jetstream/longshort) atmos... | 2025-06-26T09:14:16.235Z | Ocean Observations | [
{
"url": "https://tidesandcurrents.noaa.gov/high-tide-flooding/monthly-outlook.html",
"text": "Monthly High Tide Flooding Outlook"
},
{
"url": "https://oceanservice.noaa.gov/facts/satellites-ocean.html",
"text": "How are satellites used to observe the ocean?"
},
{
"url": "https://oceanse... | |
What is marine telemetry? | https://oceanservice.noaa.gov/facts/telemetry.html | # What is marine telemetry?
_Telemetry tags help researchers discover where marine animals are, where they go, and what their environments are like._
Marine telemetry uses devices attached to animals to gather data. These telemetry devices, cal... | 2025-06-26T09:14:16.340Z | Ocean and Coastal Science | [
{
"url": "https://ioos.noaa.gov/",
"text": "U.S. Integrated Ocean Observing System (IOOS®)"
},
{
"url": "https://atn.ioos.us/",
"text": "IOOS Animal Telemetry Network"
},
{
"url": "https://oceanservice.noaa.gov/podcast/may17/nop06-animal-telemetry.html",
"text": "NOAA Ocean Podcast: ... | - *The national [Animal Telemetry Network](https://atn.ioos.us), part of the NOAA-led [U.S. Integrated Ocean Observing System (IOOS®)](https://ioos.noaa.gov/), uses several telemetry technologies to monitor a host of aquatic life. Researchers work hard to ensure tagging devices are minimally intrusive and do not harm a... |
What are microplastics? | https://oceanservice.noaa.gov/facts/microplastics.html | # What are microplastics?
VIDEO: What are microplastics? Here's what you need to know in less than a minute. [Transcript](#transcript)
Plastic is the most prevalent type of marine debris found in our ocean and Great Lakes. Plastic debris can come in all shapes and sizes, but those that are less than five millimeters ... | 2025-06-26T09:14:17.550Z | Ocean Ecosystems | [
{
"url": "https://marinedebris.noaa.gov/",
"text": "NOAA Marine Debris Program"
},
{
"url": "https://marinedebris.noaa.gov/info/plastic.html",
"text": "Plastics"
},
{
"url": "https://blog.marinedebris.noaa.gov/tags/microplastics",
"text": "Microplastics Articles and Resources"
}
] | - *Microplastics can come from a variety of sources including larger plastic pieces that have broken apart, resin pellets used for plastic manufacturing, or in the form of microbeads, which are small, manufactured plastic beads used in health and beauty products.* |
Why should we care about the ocean? | https://oceanservice.noaa.gov/facts/why-care-about-ocean.html | # Why should we care about the ocean?
##### **We have ocean videos, too!**
_Visit [Ocean Today](http://oceantoday.noaa.gov/) for more than 100 videos on all aspects of the ocean realm—exploration and discoveries, marine life, science, and more._
##### More **Information**
##### [Get **Social**](/socialmedia.html) | 2025-06-26T09:14:17.673Z | Ocean Basics | [
{
"url": "https://oceanservice.noaa.gov/news/june14/our-ocean.pdf",
"text": "Download Infographic"
},
{
"url": "https://oceanservice.noaa.gov/facts/",
"text": "Ocean Facts"
},
{
"url": "https://oceanservice.noaa.gov/infographics/",
"text": "Ocean Infographics"
},
{
"url": "ht... | |
Can a coral reef recover from bleaching and other stressful events? | https://oceanservice.noaa.gov/facts/reef-resilience.html | # Can a coral reef recover from bleaching and other stressful events?
## If local threats are reduced, coral reefs have a greater chance of surviving a larger climate event, such as bleaching.
![Coral reefs in the clear blue waters of Kure Atoll in Hawaii's Papahānaumokuākea Marine National Monument](/facts/r... | 2025-06-26T09:14:27.569Z | Ocean Ecosystems | [
{
"url": "http://coralreef.noaa.gov/",
"text": "NOAA Coral Reef Conservation Program"
},
{
"url": "http://coralreef.noaa.gov/aboutcrcp/news/featuredstories/may15/climatechange.html",
"text": "Climate, reefs, and resilience (video)"
},
{
"url": "http://coralreef.noaa.gov/aboutcrcp/news/fe... | -
- Just as people tend to get sick when under stress, so do corals. If local stressors to coral reefs are reduced, the corals have a better chance of recovering from an event such as coral bleaching. In this way, the reefs are more resilient. |
How does pollution threaten coral reefs? | https://oceanservice.noaa.gov/facts/coral-pollution.html | # How does pollution threaten coral reefs?
Impacts from land-based sources of pollution—including coastal development, deforestation, agricultural runoff, and oil and chemical spills—can impede coral growth and reproduction, disrupt overall ecological function, and cause disease and mortality in sensitive species. It ... | 2025-06-26T09:14:27.687Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/coralreef-climate.pdf",
"text": "Download Infographic"
},
{
"url": "http://coralreef.noaa.gov/",
"text": "Coral Reef Conservation Program"
}
] | |
What is a King Tide? | https://oceanservice.noaa.gov/facts/kingtide.html | # What is a King Tide?
## A King Tide is a popular, non-scientific term people often use to describe **exceptionally high tides**.
A king tide viewed from south of Pier 96 in San Francisco, California, in February, 2016. Credit: Dave Rauenbuehler
A Ki... | 2025-06-26T09:14:28.854Z | Ocean Observations | [
{
"url": "https://tidesandcurrents.noaa.gov/tide_predictions.html",
"text": "Tide Predictions"
},
{
"url": "https://tidesandcurrents.noaa.gov/index.html",
"text": "Tide Station Index"
},
{
"url": "https://tidesandcurrents.noaa.gov/sltrends/sltrends.html",
"text": "Sea Level Trends"
... | |
What is a tide gauge? | https://oceanservice.noaa.gov/facts/tide-gauge.html | # What is a tide gauge?
## Be it **analog**, **acoustic**, or **microwave**, a tide gauge **measures changes in sea level** relative to a datum (a height reference).
![The NOAA San Francisco Tide Station, in operation for more than 150 years.](/facts/tides.jpg "The NOAA San Francisco Tide Station, in operation for m... | 2025-06-26T09:14:29.047Z | Ocean Observations | [
{
"url": "https://tidesandcurrents.noaa.gov/",
"text": "Center for Operational Oceanographic Products and Services"
},
{
"url": "https://tidesandcurrents.noaa.gov/nwlon.html",
"text": "National Water Level Observation Network"
},
{
"url": "https://tidesandcurrents.noaa.gov/ports.html",
... | |
What are the Roaring Forties? | https://oceanservice.noaa.gov/facts/roaring-forties.html | # What are the Roaring Forties?
![A research vessel ploughs through the waves, braving the strong westerly winds of the Roaring Forties in the Southern Ocean. Credit: Nicolas Metzl, LOCEAN/IPSL Laboratory](/facts/roaring40s.jpg "A research vessel ploughs through the waves, braving the strong westerly winds of the Roa... | 2025-06-26T09:14:38.881Z | Tides and Currents | [
{
"url": "https://oceanservice.noaa.gov/facts/doldrums.html",
"text": "What are the doldrums?"
},
{
"url": "https://oceanservice.noaa.gov/facts/horse-latitudes.html",
"text": "What are the horse latitudes?"
},
{
"url": "https://oceanservice.noaa.gov/facts/tradewinds.html",
"text": "W... | - *The circulation of wind in the atmosphere is driven by the rotation of the Earth and incoming energy from the sun. Wind circulates in each hemisphere in three distinct cells, which help transport energy and heat from the equator to the poles. The winds are driven by energy from the sun at the surface as warm air ris... |
How does overfishing threaten coral reefs? | https://oceanservice.noaa.gov/facts/coral-overfishing.html | # How does overfishing threaten coral reefs?
Coral reef ecosystems support important commercial, recreational, and subsistence fishery resources in the U.S and its territories. Fishing also plays a central social and cultural role in many island and coastal communities, where it is often a critical source of food and ... | 2025-06-26T09:14:39.037Z | Ocean Ecosystems | [
{
"url": "https://oceanservice.noaa.gov/facts/coral-overfishing.pdf",
"text": "Download Infographic"
},
{
"url": "http://coralreef.noaa.gov/",
"text": "Coral Reef Conservation Program"
}
] | |
What is aquaculture? | https://oceanservice.noaa.gov/facts/aquaculture.html | # What is aquaculture?
VIDEO: What is aquaculture? Here's an overview in under two minutes. [Transcript](#transcript)
As the demand for seafood has increased, technology has made it possible to grow food in coastal marine waters and the open ocean. Aquaculture is a method used to produce food and other commercial pro... | 2025-06-26T09:15:02.130Z | Ocean Technology | [
{
"url": "https://oceantoday.noaa.gov/fullmoon-remotecontrol/welcome.html",
"text": "Ocean Today video: The Future of Ocean Farming"
},
{
"url": "https://coastalscience.noaa.gov/research/marine-spatial-ecology/aquaculture/",
"text": "NOS Coastal Aquaculture Siting and Sustainability"
},
{
... | |
What is ocean etiquette? | https://oceanservice.noaa.gov/facts/ocean-etiquette.html | # What is ocean etiquette?
VIDEO: What is ocean etiquette? Here's an overview in under 30 seconds. [Transcript](#transcript)
## Marine Wildlife Viewing Guidelines
- Learn before you go. Read about the wildlife, viewing sites, and local regulations to get the most from your wildlife viewing experience.
- Keep you... | 2025-06-26T09:15:02.678Z | Ocean Basics | [
{
"url": "https://sanctuaries.noaa.gov/wildlife-viewing/",
"text": "Sanctuaries Wildlife Viewing Guidelines"
},
{
"url": "https://www.fisheries.noaa.gov/topic/marine-life-viewing-guidelines",
"text": "Fisheries Marine Life Viewing Guidelines"
}
] | |
What are barnacles? | https://oceanservice.noaa.gov/facts/barnacles.html | # What are barnacles?
_Those aren't dragon claws — they're gooseneck barnacles! These filter feeders are found in the rocky t... | 2025-06-26T09:15:02.845Z | Ocean Ecosystems | null | - *Most barnacles are hermaphrodites, meaning that they have both male and female sex organs. To create baby barnacles, they must be fertilized by a neighbor. A retractable tube containing sperm can reach outside the barnacle’s shell as far as 15 to 20 centimeters (six to eight inches) to fertilize a nearby barnacle. A... |
What are beach advisories and beach closures? | https://oceanservice.noaa.gov/facts/beach-closures.html | # What are beach advisories and beach closures?
_During a beach closure, water conditions are deemed ... | 2025-06-26T09:15:03.207Z | Ocean and Coastal Places | [
{
"url": "https://oceanservice.noaa.gov/news/jul14/beachdangers.html",
"text": "Ten Dangers at the Beach"
},
{
"url": "https://oceanservice.noaa.gov/facts/redtide.html",
"text": "What is a red tide?"
},
{
"url": "https://oceanservice.noaa.gov/facts/pollution.html",
"text": "What is t... | - *The [Beaches Environmental Assessment and Coastal Health (BEACH) Act](https://www.epa.gov/beach-tech/about-beach-act) addresses contaminants in coastal recreational waters. The BEACH Act set national water quality monitoring and reporting standards, creating uniformity throughout the nation that did not exist prior ... |
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