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}NASA Earthdata CMR + NASA Data Portal2025 · Image data
ABoVE: Soil Moisture and Active Layer Thickness in Alaska, USA and Canada, 2005-2024This dataset provides soil thaw depth and moisture measurements and dielectric properties measured by different research teams at sites in Alaska, U.S., and the Northwest Territories, Canada. There are multiple observations per site and 529,862 total observations. The dataset includes 224,200 observations of active layer thickness measured by mechanical probing (9.8%) or ground penetrating radar (
NASA Earthdata CMR + NASA Data Portal2025 · Image data
ABoVE: Soil Moisture and ALT Field Collection Protocols and Probe CalibrationThis dataset contains soil moisture sampling protocols and calibration algorithms for Campbell Scientific Hydrosense-I and II units used at burned and unburned sites in the ABoVE project domain. The soil moisture sampling protocols document provides guidance for sampling in situ soil moisture to relate to synthetic aperture radar (SAR) data collections. Two additional documents describe algorithms
NASA Earthdata CMR + NASA Data Portal2023 · Image data
Soil Moisture Profiles and Temperature Data from SoilSCAPE Sites, Version 2This dataset contains in-situ soil moisture profile and soil temperature data collected at 30-minute intervals at SoilSCAPE (Soil moisture Sensing Controller and oPtimal Estimator) project sites since 2021 in the United States and New Zealand. The SoilSCAPE network has used wireless sensor technology to acquire high temporal resolution soil moisture and temperature data over varying durations sinc
NASA Earthdata CMR + NASA Data Portal2023 · Image data
ABoVE: Post-Fire and Unburned Field Site Data, Anaktuvuk River Fire Area, 2008-2017This dataset includes field measurements from 26 burned and unburned transects established in 2008 in the region of the Anaktuvuk River tundra fire on the Arctic Slope of Alaska, US. Measurements include plant cover by species, shrub and tussock density, thaw depth, and soil depth. This wildfire occurred in 2007, and sampling took place in 2008-2011 and in 2017.
NASA Earthdata CMR + NASA Data Portal2022 · Image data
ABoVE: Post-Fire and Unburned Vegetation Community and Field Data, NWT, Canada, 2019This dataset provides vegetation community characteristics, soil moisture, and biophysical data collected in 2019 from 11 study areas, which contained 28 sites that were burned by wildfires in 2014 and 2015, and 14 unburned sites in the Northwest Territories (NWT), Canada. Burn sites included peatland and upland. These field data include vegetation inventories, ground cover, as well as diameter an
NASA Earthdata CMR + NASA Data Portal2020 · Image data
ABoVE: Active Layer Soil Characterization of Permafrost Sites, Northern Alaska, 2018This dataset provides in situ soil measurements including soil dielectric properties, temperature, and moisture profiles, active layer thickness (ALT), and measurements of soil organic matter, bulk density, porosity, texture, and coarse root biomass. Samples were collected from the surface to permafrost table in soil pits at selected sites along the Dalton Highway in Northern Alaska. From North to
NASA Earthdata CMR + NASA Data Portal2019 · Image data
ABoVE: Soil Active Layer Thaw Depths at CRREL sites near Fairbanks, Alaska, 2014-2018This dataset provides soil active layer thaw depth measurements collected along transects at three sites near Fairbanks, Alaska, USA. Measurements were made during the late summers of 2014-2018. The sites were located at Creamer's Field, the Permafrost Tunnel, and Farmer's Loop (two transects). Vegetation ecotypes along the transects are also reported. The US Army Corps of Engineers, Cold Regions
NASA Earthdata CMR + NASA Data Portal2018 · Image data
ABoVE: Permafrost Measurements and Distribution Across the Y-K Delta, Alaska, 2016This dataset provides field observations of thaw depth and dominant vegetation types, a LiDAR-derived elevation map, and permafrost distribution and probability maps for an area on the coastal plain of the Yukon-Kuskokwim Delta (YKD), in western Alaska, USA. Field data were collected during July 8-17, 2016 to parameterize and to validate the derived permafrost maps. The YKD is in the sporadic to i
NASA Earthdata CMR + NASA Data Portal2018 · Image data
Arctic Vegetation Plots in Northern NWT and YT, Canada, 1965-1966This dataset provides vegetation, soil, and plot characteristics for 154 study plots located at three sites across the Richardson Mountains, Northwest Territories (NWT), and the British Mountains, Yukon Territory (YT). Study sites in the NWT included areas near Canoe Lake and Divided Lake; the study site in the YT was near Trout Lake. Specific attributes include dominant vegetation, species cover,
NASA Earthdata CMR + NASA Data Portal2015 · Image data
Pre-ABoVE: Ground-penetrating Radar Measurements of ALT on the Alaska North SlopeThis data set includes estimates of permafrost Active Layer Thickness (ALT; cm), and calculated uncertainties, derived using a ground-penetrating radar (GPR) system in the field in August 2014 near Toolik Lake and Happy Valley on the North Slope of Alaska. GPR measurements were taken along 10 transects of varying length (approx. 1 to 7 km). Traditional ALT estimates from mechanical probing every 1
NASA Earthdata CMR2009 · collection
PERMATHERMAL: Active Layer Thickness / Thaw depth at Livingston IslandACTIVE LAYER THICKNESS / THAW DEPTH data (raw, not processed) acquired once a year during the thaw season by manual mechanical probing at Limnopolar Lake CALM site (A25) of the PERMATHERMAL monitoring network located at Byers Peninsular of LIVINGSTON ISLAND, South Shetland Archipelago, Antarctica. PERMATHERMAL network aims to monitor the seasonal and permanent frozen ground in Livingston and Decep
NASA Earthdata CMR2005 · collection
PERMATHERMAL: Active Layer Thickness / Thaw Depth at Deception IslandACTIVE LAYER THICKNESS / THAW DEPTH data (raw, not processed) acquired once a year during the thaw season by manual mechanical probing at Crater Lake CALM site (A16) of the PERMATHERMAL monitoring network located at DECEPTION ISLAND, South Shetland Archipelago, Antarctica. PERMATHERMAL network aims to monitor the seasonal and permanent frozen ground in Livingston and Deception Islands on Antarctic
NASA Earthdata CMR + NASA Data Portal1994 · Image data
Standing Crop & Nitrogen Content (FIFE)The FIFE Standing Crop and Nitrogen Content Data Set contains biomass and nitrogen concentration data for live and dead above-ground plant material collected along transects in watersheds within the FIFE study area. The transects were in watersheds that had undergone burning and grazing treatments. Point physical descriptors (elevation, slope, and soil depth) are also included in the data set. Sub
NASA Earthdata CMRcollection
Soil thermal profiles, volcano thermal monitoring, radiometry and some meteorological variables in Deception IslandIn English: Data are collected from three meteorological stations. Each station is located near the different vertices of the geodetic net named REGID. The referred vertices are: BEGC, COLA and GEOD. This geodetic net is located on Deception Island. We name each meteorological station with the name of the nearest vertex of REGID. We denote year as the time period between two consecutive closures o
NASA Earthdata CMRcollection
Soil studies of the Ross Sea Region 1959-2009Antarctic soils have been investigated in the Ross Sea Region for 50 years. The cumulative studies have resulted in a large literature base of knowledge on various subjects on the soils from various areas throughout the Ross Sea Region. Studies have included soil surveys and profile investigations into soil temperature and moisture measurements, soil chemistry analysis, salt deposits and origin of