Tag: Technology

Natural History / Natural History - 4 years ago

What is PORTS®?

PORTS® facilitates safe and efficient movement through U.S. seaports, helping to ensure our nation's economic health and prosperity. Shown here: the Jacksonville PORTS®, the second largest established in the national system, includes 46 operation...

Natural History / Natural History - 4 years ago

What is an artificial reef?

Can you spot the sunken ship? In June 2002, the retired USS Spiegel Grove  was sunk in waters off Key Largo. At 510 feet (155.45 meters) long, the ship was, at the time, the largest vessel ever intentionally scuttled for the purpose of creating an...

Natural History / Natural History - 4 years ago

What is dredging?

As sand and silt washes downstream, sedimentation gradually fill channels and harbors. This material must be periodically removed by dredging. Dredging is the removal of sediments and debris from the bottom of lakes, rivers, harbors, and other...

Natural History / Natural History - 5 years ago

What is a fish ladder?

Fish ladder near the south shore of Long Island, where recorded Alewive migration was occurring. The survival of many fish species depends on migrations up and down rivers. Among anadromous fish such as salmon, shad, and sturgeon, downstream m...

Natural History / Natural History - 5 years ago

What is LIDAR?

LIDAR data is often collected by air, such as with this NOAA survey aircraft (right) over Bixby Bridge in Big Sur, Calif. Here, LIDAR data reveals a top-down (top left) and profile view of Bixby Bridge. NOAA scientists use LIDAR-generated product...

Natural History / Natural History - 5 years ago

What is the mariner's 1-2-3 rule?

Illustration of the Mariner-s 1-2-3 rule. The Mariner's 1-2-3 rule, also referred to as the Danger Rule, is an important guideline mariners follow to keep out of a tropical storm or hurricane's path. It refers to the rounded long-term National...

Natural History / Natural History - 6 years ago

What is Digital Coast?

Data sets alone are not enough. For data to be truly useful, people often need assistance by way of relevant training and associated tools and information. The Digital Coast provides this complete package for the coastal management community. Pe...

Natural History / Natural History - 6 years ago

How do I get NOAA nautical charts?

Did you know? President Thomas Jefferson founded Coast Survey in 1807 and tasked it with creating charts of the nation's coastal waters so America's young shipping industry could thrive. Reflecting Coast Survey's beginnings, the Historical Map &...

Natural History / Natural History - 6 years ago

What is a historical map or chart?

Map of New York Bay and Harbor from 1845. The Office of Coast Survey maintains a historical map and chart collection of over 35,000 scanned, high-resolution images. The collection includes some of the nation’s earliest nautical charts, bathyme...

Natural History / Natural History - 6 years ago

What is the Storm QuickLook?

This image is part of a Storm QuickLook generated on Aug. 25, 2011, as Hurricane Irene approached the eastern seaboard. When NOAA's National Weather Service issues a tropical storm warning for the U.S. or its territories, the Storm QuickLook i...