What’s a perigean spring tide?
Typically between 6-8 occasions a 12 months, the brand new or full moon coincides intently in time with the perigee of the moon — the purpose when…
Why are scientists involved about Asian tiger shrimp?
Asian tiger shrimp are native to Pacific waters, however are actually discovered alongside the southeast and Gulf coasts of the US. Researchers are at present investigating the…
What’s the distinction between a nautical mile and a knot?
The U.S. adopted the worldwide nautical mile in 1954. Proven right here: NOAA Ship Pisces is the third in a category of state-of-the-art, acoustically quiet fisheries survey…
What’s shoreline armoring?
Shoreline armoring alongside Wells Seashore, Maine. Coastal managers and property house owners typically try and stabilize coastal land and shield residential and business infrastructure alongside the coast…
What’s the distinction between an AUV and a ROV?
VIDEO: What is the distinction between an AUV and an ROV? Here is what it’s worthwhile to know in a single minute. Transcript From left, NOAA Ship…
Why do now we have spring tides within the fall?
A spring tide is a typical historic time period that has nothing to do with the season of spring. Somewhat, the time period is derived from the…
What’s the most venomous marine animal?
Carybdea branchi, pictured right here, is a relative of the Australian field jellyfish (Chironex fleckeri), which is taken into account probably the most venomous marine animal. (Picture…
What’s ocean acidification?
What’s ocean acidification? Watch our video for a fast overview. For greater than 200 years, or for the reason that industrial revolution, the focus of carbon dioxide…
What’s a bivalve mollusk?
A roughfile clam from the Flower Backyard Financial institution Nationwide Marine Sanctuary—simply considered one of many various bivalve mollusk species. Like fish, bivalve mollusks breathe by way…
What’s a seiche?
This animation reveals a standing wave (black) depicted as a sum of two propagating waves touring in reverse instructions (blue and pink). Related in movement to a…
Was Moby Dick an actual whale?
Illustrations from Moby-Dick, revealed in 1851 and authored by Herman Melville. Do you know? In 2011, maritime heritage archaeologists working with NOAA’s Workplace of Nationwide Marine Sanctuaries…
What’s a hurricane?
VIDEO: What’s a hurricane? Here is what it’s essential to know in lower than a minute. Transcript A tropical cyclone is a rotating low-pressure climate system that…
Is the Earth spherical?
This NASA picture reveals Earth from area. The picture is a mixture of knowledge from two satellites. The Reasonable Decision Imaging Spectroradiometer (MODIS) instrument aboard NASA’s Terra…
What’s a slough?
South Slough is a 4,771-acre Nationwide Estuarine Analysis Reserve positioned on Coos Bay Estuary in Oregon (Picture credit score: South Slough NERR). A slough is usually used…
Are there oceans on different planets?
Europa could have subsurface liquid water. Scientists hypothesize that Europa’s hidden ocean is salty, tidal, and causes its ice floor to maneuver, leading to giant fractures which…
What’s a man-made reef?
Can you see the sunken ship? In June 2002, the retired USS Spiegel Grove was sunk in waters off Key Largo. At 510 toes (155.45 meters) lengthy,…
What’s the longest-lived marine mammal?
Bowhead whale and calf within the Arctic (Marine Mammal Allow 782-1719). The inset drawing reveals an 1884 illustration of a bowhead. Whales are the most important animals…
What do geodesists do?
Geodesists measure and monitor the Earth’s measurement and form, geodynamic phenomena (e.g., tides and polar movement), and gravity subject to find out the precise coordinates of any…
When Was the First Earth Day?
Firefighters battle a hearth on Ohio’s Cuyahoga River in 1952. The polluted river caught fireplace on a number of events between 1936 and 1969, when particles and…
Are horseshoe crabs actually crabs?
Horsehoe crab mating season, Lewes, Delaware. Picture credit score: Jacqueline Bedell Do you know? New Jersey and South Carolina at the moment forbid any harvesting of horseshoe…
What’s tectonic shift?
The Earth is made up of roughly a dozen main plates and several other minor plates. Do you know? Measuring the movement of tectonic plates is a…
What’s blue carbon?
Sure, that is a picture of a mangrove, however do you know additionally it is a picture of a sink? A carbon sink. Don’t know what that’s?…
How far does sound journey within the ocean?
Water temperature and strain decide how far sound travels within the ocean. Whereas sound strikes at a a lot quicker velocity within the water than in air,…
Why does the ocean have waves?
VIDEO: What are waves? This is what you’ll want to know in lower than a minute. Transcript The ocean isn’t nonetheless. Whether or not observing from the…
What’s an Operational Forecast System?
These maps present typical hourly forecasts of various oceanographic circumstances for Chesapeake Bay. Comparable hourly spatial animations for the following 48 hours can be found on-line for…
What are Mesophotic Coral Ecosystems?
NOAA Ocean As we speak: The Mesophotic Zone You’re getting into one other dimension. A dimension of water, of darkness, of thriller. Subsequent cease, The Mesophotic Zone!…
What’s aquaculture?
VIDEO: What’s aquaculture? Here is an outline in underneath two minutes. Transcript Because the demand for seafood has elevated, expertise has made it potential to develop meals…
What’s the Census of Marine Life?
A faculty of spadefish in Grey’s Reef Nationwide Marine Sanctuary, positioned off the coast of Georgia. A search of the OBIS-USA web site, a product of the…
What’s a marsh organ?
An put in marsh organ on the Apalachicola Nationwide Estuarine Analysis Reserve within the Florida Panhandle. A NOS-sponsored venture within the Gulf of Mexico employs the marsh…
How does NOAA monitor water ranges across the nation?
An NWLON station in San Francisco, California. The Nationwide Water Degree Commentary Community (NWLON) is a everlasting observing system that features 210 repeatedly working water degree stations…
What’s glacial isostatic adjustment?
The final ice age occurred simply 16,000 years in the past, when nice sheets of ice lined a lot of Earth’s Northern Hemisphere. Although the ice melted…
What’s HAZMAT?
In January 2010, NOAA’s Workplace of Response and Restoration was notified of a collision between a crude oil tanker (T/V Eagle Otome) and a barge in Port…
What’s a wetland?
VIDEO: What’s a wetland? This is what it is advisable to know in lower than a minute. Transcript There are a lot of completely different sorts of…
What’s a Portuguese Man o’ Conflict?
The Portuguese man o’ battle is acknowledged by its balloon-like float, which can be blue, violet, or pink and rises as much as six inches above the…
What’s a Excessive Seas Forecast?
NOAA’s Excessive Seas Forecasts are marine climate forecasts ready for mariners and transmitted world wide in real- and near-real-time. Word: the above map i Seafaring could be…
What’s a maritime forest?
These stumps are proof that bushes as soon as grew right here, however attributable to a always altering shoreline, they’re now principally submerged within the ocean. Maritime…
How does NOAA assist clear up oil and chemical spills?
Infographic Transcripts Because the 1988 debut of CAMEO — software program that NOAA developed in partnership with the U.S. Environmental Safety Company — NOAA established itself because…
What are the vampire squid and the vampire fish?
A vampire squid surrounded by marine snow is captured on movie throughout a dive on the E/V Nautilus. Picture credit score: Ocean Exploration Belief The vampire squid…
What’s GRAV-D?
The pilot and co-pilot of a Navy-owned King Air plane put together for takeoff on an information assortment flight with GRAV-D devices (fore and mid-ground) and a…
What’s seaspeak?
Whether or not on the excessive seas or at port, misunderstood communication can result in critical and even harmful conditions. “Seaspeak”, the official language of the seas,…
What’s the Forchhammer's Precept?
A CTD (conductivity, temperature, and depth) gadget. The first perform of this device is to detect how the conductivity and temperature of the water column modifications relative…
What’s marine biogeography?
Making a habitat ecosystem map of the seafloor—a key part of marine biogeography—is a difficult course of. Study the way it works on this two-minute video. Study…
What’s the Nice Loop?
Boating alongside the Erie Canal, a part of the Nice Loop (picture courtesy of Gladys L. Buzzell). The Nice Loop is a steady waterway that leisure mariners…
What are barnacles?
These aren’t dragon claws—they’re gooseneck barnacles! These filter feeders are discovered within the rocky tide swimming pools of Olympic Coast Nationwide Marine Sanctuary. Their shells are made…
What’s an oil spill trajectory?
VIDEO: Predicting the place oil could go within the water is not any straightforward activity. This is what it’s essential know in a minute. Transcript Throughout the…
How do sea turtles hatch?
Watch sea turtle hatchlings journey to the ocean in the course of the 2013 nesting season in Dry Tortugas Nationwide Park, Florida. This video was captured by…
How does local weather change have an effect on coral reefs?
Local weather change is the best international menace to coral reef ecosystems. Scientific proof now clearly signifies that the Earth’s ambiance and ocean are warming, and that…
What’s the Atlantic Meridional Overturning Circulation (AMOC)?
The worldwide conveyor belt, proven right here, circulates cool subsurface water and heat floor water all through the world. The Atlantic Meridional Overturning Circulation is a part…
How does overfishing have an effect on coral reefs?
Coral reef ecosystems assist essential industrial, leisure, and subsistence fishery sources within the U.S and its territories. Fishing additionally performs a central social and cultural position in…
Can a coral reef get well from bleaching and different nerve-racking occasions?
Coral reefs within the clear blue waters of Kure Atoll in Hawaii’s Papahānaumokuākea Marine Nationwide Monument. Local weather change and ocean acidification may end up in mass…
How does land-based air pollution threaten coral reefs?
Impacts from land-based sources of air pollution—together with coastal growth, deforestation, agricultural runoff, and oil and chemical spills—can impede coral progress and copy, disrupt total ecological perform,…
What are microplastics?
VIDEO: What are microplastics? This is what it is advisable know in lower than a minute. Transcript Plastic is essentially the most prevalent kind of marine particles…
What are seashore advisories and seashore closures?
Throughout a seashore closure, water situations are deemed unsafe for swimmers and different customers. A seashore advisory leaves it as much as customers as to whether or…
What’s marine telemetry?
Telemetry tags assist researchers uncover the place marine animals are, the place they go, and what their environments are like. Marine telemetry makes use of units connected…
Why do scientists measure sea floor temperature?
A simulation of sea-surface temperatures from the Geophysical Fluid Dynamics Laboratory. This mannequin impressed the U.S. Postal Service to create a Eternally worldwide charge stamp, launched on…
What’s coral spawning?
To view this video please allow JavaScript, and contemplate upgrading to an online browser that helps HTML5 video Corals are a good looking and necessary a part…
How are satellites used to look at the ocean?
The Geostationary Operational Environmental Satellite tv for pc-16 (GOES-16) is the primary of NOAA’s subsequent technology of geostationary climate satellites. Among the many many missions of this…
What are the commerce winds?
The Charles W. Morgan is the final of an American whaling fleet that when numbered greater than 2,700 vessels. Ships just like the Morgan typically used routes…
The place do fish go when it freezes outdoors?
White Shoal Lighthouse in northern Lake Michigan. Have you ever ever questioned how fish survive in chilly winter climate, or the place they go when lakes and…
Are all fish cold-blooded?
The opah, the one identified totally warm-blooded fish, is a invaluable species for industrial and leisure fishermen. Nevertheless, researchers would not have a full understanding of the…
What’s the Pineapple Categorical?
This animation from NOAA’s Earth System Analysis Laboratory reveals an atmospheric river occasion in January 2017. Atmospheric rivers are comparatively slim areas within the ambiance which can…
What are the Roaring Forties?
A analysis vessel braves the robust westerly winds of the Roaring Forties throughout an expedition to measure ranges of dissolved carbon dioxide within the floor of the…
How does sea ice have an effect on world local weather?
Sea ice within the Arctic Ocean. Whereas sea ice exists primarily within the polar areas, it influences the worldwide local weather. Do you know? Sea ice additionally…
What’s a catcher seaside?
A basic instance of a catcher seaside alongside the shores of Hawaii. This map reveals particles concentrations from an aerial survey carried out in Alaska in 2012….
What’s a tide gauge?
The rise and fall of the tides play an vital position within the pure world and might have a marked impact on maritime-related actions. The picture aboves…
What are the Totten Beacons?
The rusty remnants of a Totten Beacon (foreground) situated close to American Shoal lighthouse. Photograph credit score: M. Lawrence. Predominant beacon pile centered amongst three considerably shorter…
What’s a Rossby wave?
Rossby waves naturally happen in rotating fluids. Throughout the Earth’s ocean and environment, these planetary waves play a big position in shaping climate. This animation from NASA’s…
What does the ocean need to do with human well being?
Our ocean and coasts have an effect on us all! Our ocean and coasts have an effect on us all—even these of us who do not stay…
How does sand kind?
The enormous bumphead parrotfish is an incredible fish that may stay to be 40 years outdated, rising as much as 4 ft lengthy and 100 kilos. They…
What’s eutrophication?
VIDEO: What’s eutrophication? This is an outline in a single minute. Transcript Eutrophication is an enormous phrase that describes an enormous drawback within the nation’s estuaries. Dangerous…
The place is Earth’s Largest Waterfall?
Within the Denmark Strait, southward-flowing frigid water from the Nordic Seas meets hotter water from the Irminger Sea. The chilly, dense water rapidly sinks beneath the hotter…
What’s a backscatter?
VIDEO: How does backscatter assist us perceive the ocean flooring? This is an outline in underneath two minutes. Transcript Backscatter is the reflection of a sign (resembling…
What’s a present survey?
Do you know? An Operational Forecast System offers a nowcast and forecast (as much as 48 hours) of water ranges, currents, salinity, water temperatures, and winds for…
What’s a meteotsunami?
Stormy climate over the ocean can typically gasoline the event of meteotsunamis, a sequence of waves usually a lot smaller and fewer harmful than these related to…
Are tides larger when the moon is instantly overhead?
This NASA picture from the Apollo 8 mission exhibits the Earth seen over the horizon of the moon. Whereas the moon and solar trigger tides on our…
How do hurricanes kind?
Hurricanes kind over the ocean, usually starting as a tropical wave—a low strain space that strikes by way of the moisture-rich tropics, probably enhancing bathe and thunderstorm…
What’s a glass sponge?
Probably the most well-known glass sponge is a species of Euplectella, proven right here within the northwestern Gulf of Mexico. Generally referred to as the “Venus flower…
How do hurricanes have an effect on sea life?
A sunken vessel amongst a coral colony in Vieques, Puerto Rico, on Oct. 23, 2017. Following Hurricane Maria in 2017, NOAA and companions eliminated a complete of…
What’s a SOFAR?
The ocean consists of many zones. Sound can journey via a zone for lots of, typically hundreds of miles. Obtain Infographic | Infographic Textual content On the…
Will we nonetheless want lighthouses?
Level Enviornment Lighthouse, which sits close to the northern boundary of Higher Farallones Nationwide Marine Sanctuary. Picture credit score: Robert Schwemmer Lighthouses and beacons are towers with…
What’s a warmth dome?
Excessive-pressure circulation within the environment acts like a dome or cap, trapping warmth on the floor and favoring the formation of a warmth wave. Summertime means sizzling…
What’s the intertidal zone?
A tide pool inside Monterey Bay Nationwide Marine Sanctuary. Intertidal zones exist wherever the ocean meets the land, from steep, rocky ledges to lengthy, sloping sandy seashores…
What’s the commonest type of ocean litter?
Cigarette and cigarette filter discovered on the seaside at Sandy Level State Park, Maryland. Damaged bottles, plastic toys, meals wrappers … throughout a stroll alongside the coast…
What’s a tide pool?
Tide swimming pools are present in intertidal zones, that are areas the place the ocean meets the land: from steep, rocky ledges to lengthy, sloping sandy seashores…
What’s the carbon cycle?
Begin with our brief video overview after which get the larger image with our accompanying article. × VIDEO: The carbon cycle describes the method through which carbon…
What are coquina and tabby?
The Castillo de San Marcos Nationwide Monument in St. Augustine, Florida, stands sentinel over Matanzas Bay. The coquina construction stays sturdy after three centuries. The pure coquina…
Can we clear up, cease, or finish dangerous algal blooms?
Imagery of the Western Lake Erie dangerous algal bloom from September 26, 2017. The scum proven right here close to downtown Toledo stretched all the best way…
How lengthy do Greenland sharks dwell?
Shut-up picture of a greenland shark taken on the floe fringe of the Admiralty Inlet, Nunavut. Picture credit score – Hemming1952 | Wikimedia Commons | Used below…
What’s a barrier island?
Satellite tv for pc picture of Cape Hatteras Nationwide Seashore on the Outer Banks of North Carolina. Credit score: NASA’s Earth Observatory. Barrier islands kind as waves…
What’s longitude?
Traces of longitude, additionally known as meridians, are imaginary traces that divide the Earth. They run north to south from pole to pole, however they measure…
What’s latitude?
Latitude strains begin on the equator (0 levels latitude) and run east and west, parallel to the equator. Strains of latitude are measured in levels north…