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THREDDS NetCDF Subsetting Service Bug Fixed

Unidata TDS

Unidata's THREDDS Data Server (TDS) is a web server that provides metadata and data access for scientific datasets, using a variety of remote data access protocols.

A bug has been fixed in the THREDDS Data Server (TDS) NetCDF Subsetting Service (NCSS) that may, in rare cases, have returned incorrect results.

Daily Maps of Land Surface Thaw State

Surface thaw map

Surface thaw map for Alaska and Northwest Canada on April 25, 2003, derived from the Advanced Microwave Scanning Radiometer (AMSR-E).

A new dataset from NASA's CARVE mission provides the daily thaw state of the Alaskan land surface from 2003 - 2015.

Regional Methane Flux Estimates Over Alaska

Monthly mean CH4 flux estimates.

Monthly mean CH4 flux estimates for Alaska. Values are centered on the mean measurement date for a given month and the shaded regions are the standard error of the mean (figure from Hartery et al. 2018).

A new dataset from NASA's Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) provides gridded methane flux estimates from 2012-2014.

Snowmelt and surface thaw in Alaska

thawed surfaces in Alaska

Map of thawed land surfaces in Alaska as measured by the AMSR-E satellite radiometer on April 25, 2003.

New data from NASA's CARVE provides daily maps of the thaw state of Alaska's land surface from 2003 to 2014.

Photos and Videos from CARVE

wetlands in Alaska

Photo taken on the 8 October 2015 CARVE flight above the Innoko National Wildlife Refuge in Alaska.

Photos and videos taken during CARVE flights, as well as daily flight reports, are now available online.