Tag: Ocean Science

Natural History / Natural History - 6 months ago

What is a backscatter?

VIDEO: How does backscatter help us understand the sea floor? Here's what you need to know in less than a minute. Transcript Backscatter is the reflection of a signal (such as sound waves or light) back in the direction from where it originat...

Natural History / Natural History - 7 months ago

What is eutrophication?

This NASA Earth Observatory image shows the region where the Mississippi River meets the Gulf of Mexico. It illustrates how sediment is moved from the land to the sea. The Mississippi River carries millions of tons of nutrient-rich sediment into...

Natural History / Natural History - 9 months ago

How does sand form?

The giant bumphead parrotfish is an amazing fish that can live to be 40 years old, growing up to four feet long and 100 pounds. They use their large head bumps to literally bump heads during competitive displays, when large numbers of fish aggreg...

Natural History / Natural History - 1 year ago

What is the Pineapple Express?

This animation from NOAA's Earth System Research Laboratory shows an atmospheric river event in January 2017. Atmospheric rivers are relatively narrow regions in the atmosphere that are responsible for most of the horizontal transport of water va...

Natural History / Natural History - 1 year ago

What is an oil seep?

A natural tar seep offshore of Gaviota in Santa Barbara County, California. Credit: Donna Schroeder/U.S. Geological Survey Did you know that naturally occurring oil seeps from the seafloor are the largest source of oil entering the world ocean...

Natural History / Natural History - 1 year ago

What is marine telemetry?

Telemetry tags help researchers discover where marine animals are, where they go, and what their environments are like. Marine telemetry interprets into data the movements and behavior of animals as they move through oceans, coastal rivers, es...

Natural History / Natural History - 1 year ago

How do sea turtles hatch?

To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Watch sea turtle hatchlings journey to the ocean during the 2013 nesting season in Dry Tortugas National Park, Florida. This video w...

Natural History / Natural History - 2 years ago

What is a living shoreline?

Living shorelines use plants or other natural elements to stabilize estuarine coasts, bays, or tributaries.Infographic Text Living shorelines are a green infrastructure technique using native vegetation alone or in combination with offshore si...

Natural History / Natural History - 2 years ago

What is an oil spill trajectory?

VIDEO: Predicting where oil may go in the water is no easy task. Here's what you need to know in a minute. Transcript During the threat of an oil spill, responders need to know where that spilled oil will go in order to protect shorelines wi...

Natural History / Natural History - 2 years ago

What color is an iceberg?

An iceberg (and a few penguins) floating off the coast of Antarctica. Photo courtesy of Kathy Reitz. Most people would say that icebergs are white—and most of them are. But did you know that icebergs can also appear in spectacular shades of bl...

Natural History / Natural History - 2 years ago

What is marine biogeography?

Creating a habitat ecosystem map of the seafloor—a key component of marine biogeography—is a tricky process. Learn how it works in this two-minute video. Learn more. By mapping benthic habitats, studying what occurs on the bottom of a body...

Natural History / Natural History - 2 years ago

What is the Forchhammer's Principle?

A CTD (conductivity, temperature, and depth) device. The primary function of this tool is to detect how the conductivity and temperature of the water column changes relative to depth. Conductivity is a measure of how well a solution conducts elec...

Natural History / Natural History - 2 years ago

What is GRAV-D?

The pilot and co-pilot of a Navy-owned King Air aircraft prepare for takeoff on a data collection flight with GRAV-D instruments (fore and mid-ground) and a GRAV-D operator as their payload. So, what does that mean? First, to define a couple o...