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Freshwater Ecosystems. Subset of Earth's aquatic ecosystems. They include lakes and ponds, rivers, streams, springs, and wetlands. They can be contrasted with marine ecosystems, which have a larger salt content. Definition source: United Nations.
Kati Thanda-Lake Eyre. The Earth Observing System Data and Information System is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from various sources—satellites, aircraft, field measurements, and various other programs.
Ephemeral Stream. Pertaining to streams that only flow after precipitation events. Definition source: American Meteorological Society. The Earth Observing System Data and Information System is a key core capability in NASA’s Earth Science Data Systems Program. It provides end-to-end capabilities for managing NASA’s Earth science data from ...
Plankton refers to any community of floating or weakly swimming organism; mostly microscopic, living in freshwater and saltwater habitats. Definition source: National Oceanic and Atmospheric Administration. Sub-Topics. Phytoplankton.
Estuaries are partially enclosed, coastal water bodies where freshwater from rivers and streams mixes with salt water from the ocean. The United State’s largest estuary is the Chesapeake Bay along the mid-Atlantic coast. These transitional zones are among the most nutrient-rich and productive natural habitats in the world. Estuaries are ...
NASA biosphere data are critical for understanding Earth's species diversity, climate regulation and change, and its ecosystem processes. Life within Earth’s biosphere consists of millions of species living in various types of biomes such as grassland, forest, desert, aquatic, and tundra areas. Biomes are often divided into numerous subtypes ...
NASA’s wetland data help scientists study ecosystems, water cycles, climate change, and the effect of human infrastructure on the environment. Wetlands are a type of terrain where the land is permanently or seasonally saturated with water. Swamps and marshes are types of wetlands. Insects, waterfowl, fish, amphibians, and other animals often ...
Sea ice is concentrated largely in the Arctic and Antarctic regions, and functions as a key part of polar ecosystems. Channels within sea ice can fill with salt water and provide habitats for primary producers such as algae and plankton to thrive. This allows larger animals to gain sustenance from the ice.
Frozen Ground. Cryosphere. Terrestrial Hydrosphere. Earth Observation Data Basics. Earthdata Forum. Earthdata is the home for full and open access to NASA's Earth science data collections, accelerating scientific advancement for societal benefit.
Anthropogenic/Human Influenced Ecosystems. NASA’s Earth science data show the impact of humans on the planet through studying factors like nighttime lights, land cover, and agriculture. There are many causes of biodiversity loss, including deforestation, agricultural development, urbanization, pollution, and climate change.