One of the simplest biological samplers, zooplankton nets are made in a wide variety of styles and sizes. The two nets in the MARMAP Bongo vertical-haul net system explained here each have a mouth diameter of about 25 cm.
Learn about how scientists measure salinity, temperature, and depth (CTD). Information can be found in Beginner, Intermediate, and Advanced levels, as well as in English or Spanish language.
What is it and why do we use it?
A CTD — an acronym for Conductivity, Temperature, and Depth — is the primary tool for determining essential physical properties of sea water. It gives scientists a precise and comprehensive charting of the distribution and variation of water temperature, salinity, and density that helps to understand how the oceans affect life
What is it and why do we use it?
An Acoustic Doppler Current Profiler, or Acoustic Doppler Profiler, is often referred to with the acronym ADCP. Scientists use the instrument to measure how fast water is moving across an entire water column. An ADCP anchored to the seafloor can measure current speed not just at the bottom, but also at
Arctic Ocean Biodiversity is a Census of Marine Life project aimed at coordinating research efforts examining the diversity in each of the three major realms: sea ice, water column and sea floor, including fish, mammals & birds. This program will consolidate what is known and fill remaining gaps in our knowledge: it leads the Arctic Ocean diversity cluster within the
Some movements and feeding patterns of the western Arctic stock of bowhead whales are poorly understood. The purpose of this project is to use satellite telemetry to identify feeding areas and migration corridors. This poster explains the details of the project.