51 datasets

NASA Earthdata CMR2026 · Table · CSV

The data set contains boreal forest and tundra snow depth profile measurements in Northern Alaska, USA; data were collected during the October 2023 intensive observation period (IOP) as part of the NASA SnowEx 2023 field campaign. The purpose of the ground-based snow depth profiles is to provide detailed observations of the snow profile, which include observations of air gaps, generally caused by

NASA Earthdata CMR2026 · Table · CSV

The data set contains boreal forest and tundra snow depth profile measurements in Northern Alaska, USA; data were collected during the October 2022 intensive observation period (IOP) as part of the NASA SnowEx 2023 field campaign. The purpose of the ground-based snow depth profiles is to provide detailed observations of the snow profile, which include observations of air gaps, generally caused by

NASA Earthdata CMR2025 · Table · CSV

Snow depth profiles were measured from 7-16 March 2023 as part of the NASA SnowEx 2023 March 2023 Intensive Observation Period. Ground-based snow depth profile measurements were taken in the vicinity of 170 snow pits distributed across five study areas in Northern Alaska. Three study areas represented boreal forest snow conditions near Fairbanks, AK: Farmers Loop Creamers Field (FLCF), Caribou Pok

NASA Earthdata CMR2025 · Table · CSV

The data set contains manual snow depth measurements collected as part of the NASA SnowEx 2021 Time Series campaign. Data were collected at five out of seven Time Series study sites: Cameron Pass, Fraser Experimental Forest, and Senator Beck, Colorado; Boise River Basin, Idaho; and the Central Agriculture Research Center (CARC), Montana. Snow depth measurements were collected with either an avalan

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This Arctic-Boreal CO2 fluxes (ABCflux) dataset contains monthly aggregates of terrestrial net ecosystem CO2 exchange and its derived partitioned component fluxes: gross primary productivity (GPP) and ecosystem respiration. Over 70 supporting variables describe key site conditions (e.g., vegetation and disturbance type), micrometeorological and environmental measurements (e.g., air and soil temper

NASA Earthdata CMR + NASA Data Portal2021 · Image data

This dataset provides soil thaw depth and moisture (STDM) 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 352,719 total observations. The dataset includes 206,000 observations of active layer thickness measured by mechanical probing (6.0%) or ground penetrating

NASA Earthdata CMR2021 · collection

The Self-Potential method is a passive geo-electrical technique, used to delineating, monitoring, and quantifying the flow of water in the near surface layer by exploiting the presence of naturally-occurring electrical potentials in the subsurface. Pore waters generally have an excess of electrical charge due to the electrical double layer at the interface between the solid matrix (in this case sn

NASA Earthdata CMR + NASA Data Portal2021 · Astronomical catalogue

The GPM Ground Validation United States Department of Agriculture (USDA) Agricultural Research Service (ARS) Soil Moisture IFloodS dataset was collected during the Iowa Flood Studies (IFloodS) ground measurement campaign from April 17, 2013 to June 4, 2013. The goals of the campaign were to collect detailed measurements of precipitation at the Earth’s surface using ground instruments and advanced

NASA Earthdata CMR2020 · Table · CSV

This data set, collected during the SnowEx 2020 Intensive Operation Period (IOP) in Grand Mesa, Colorado, contains in situ snow depth measurements. Snow depth was measured using one of three instruments - Magnaprobe, Mesa 2, or pit ruler. Pit ruler data were collected from 150 snow pits identified for the Grand Mesa IOP. Magnaprobe and Mesa 2 data were collected along spiral tracks moving outwards

NASA Earthdata CMR + NASA Data Portal2020 · Image data

This dataset is a synthesis of field plot characterization data, derived above-ground and below-ground combusted carbon, and acquired Fire Weather Index (FWI) System components for burned boreal forest sites across Alaska, USA, the Northwest Territories, and Saskatchewan, Canada from 1983-2016. Unburned plot data are also included. Compiled plot-level characterization data include stand age, distu

NASA Earthdata CMR2019 · collection

Note - these data should be used with caution. The chief investigator for the dataset has indicated that a better quality dataset exists, but the AADC have been unable to attain it for archive. Matlab file containing raw data snowfall data collected aboard the RV Aurora Australis using Campbell Scientific dataloggers. Two Wenglor brand YHO3NCT8 photoelectric sensors were mounted on the forward rai

NASA Earthdata CMR + NASA Data Portal2019 · Image data

This dataset provides the results of field observations of soil characteristics and depth to permafrost, survey results for Composite Burn Index (CBI) determination, and Landsat-derived estimates of Relative Difference Normalized Burn Ratio (RdNBR) for 38 burned and unburned forest sites near Tanana, Alaska in 2017. Forests in the study area, at the confluence of the Yukon and Tanana Rivers about

NASA Earthdata CMR + NASA Data Portal2018 · Image data

This dataset provides CO2 and CH4 fluxes and meteorological parameters from five eddy covariance (EC) tower sites located at Barrow (three sites), Atqasuk (ATQ) and Ivotuk (IVO), Alaska. These locations form a 300-km north-south transect across Alaska's North Slope. Flux measurements include CO2, CH4, and H2O fluxes plus sensible and latent heat fluxes. Meteorological data include air temperature,

NASA Earthdata CMR2018 · collection

This data set, part of the SnowEx 2017 campaign, contains in situ snow depth measurements at two locations in Colorado, USA: Grand Mesa, a snow-covered, forested study site about 40 miles east of Grand Junction; and Senator Beck Basin approximately 80 miles to the SSE of Grand Mesa. Measurements were obtained approximately 3 meters apart along multiple transects, using either a standard, handheld

NASA Earthdata CMR + NASA Data Portal2018 · Image data

This dataset provides thaw depth measurements made at seven locations across Alaska, during August 2016, June and September 2017, and July-August 2018. Three of the locations are paired unburned-burned sites. At each site, three 30-meter transects were established and thaw depth was measured at 1-meter increments along each transect using a 1.15 m T-shaped thaw depth probe. Locations were selected

NASA Earthdata CMR + NASA Data Portal2018 · Image data

This dataset provides environmental, soil, and vegetation data collected from study plots in the vicinity of Lake Colleen off the Spine Road at Prudhoe Bay, Alaska, during August of 2014. Data include vegetation species, leaf area index (LAI), percent cover classes, soil moisture and color, and plot characteristics including geology, topographic position, slope, aspect, and plot disturbance.

NASA Earthdata CMR + NASA Data Portal2017 · Image data

This data set provides measurements of soil carbon dioxide (CO2) emission rates, soil moisture, relative humidity (RH), temperature, and litterfall from six types of tree plantations at the La Selva Biological Station, Costa Rica. Soil CO2 flux and related measurements were made 1) hourly during 2-day diel field campaigns and 2) as single daytime measurements during multiple survey campaigns, over

NASA Earthdata CMR + NASA Data Portal2016 · Image data

This dataset provides environmental, soil, and vegetation data collected in July 1994 from 56 study plots at the Happy Valley research site, located along the Sagavanirktok River in a glaciated valley of the northern Arctic Foothills of the Brooks Range. Data includes the baseline plot information for vegetation, soils, and site factors for the study plots subjectively located in 17 plant communit

NASA Earthdata CMR + NASA Data Portal2016 · Image data

This dataset provides environmental, soil, and vegetation data collected during the periods of August 1984 and August-September 1985 from 84 study plots at the Imnavait Creek research site. Imnavait Creek is located in a shallow basin at the foothills of the central Brooks Range. Data includes the baseline plot information for vegetation, soils, and site factors for the study plots subjectively lo

NASA Earthdata CMR + NASA Data Portal2016 · Image data

This data set provides Boreal Ecosystem-Atmosphere Study (BOREAS) project information and data collected at selected sites in the boreal forest of Saskatchewan and Manitoba, Canada from 1993 through 1996. The data include surface, airborne, and satellite-based observations. Note that all of the data products on these CDs have been archived as separate BOREAS data sets by the ORNL DAAC and in many

NASA Earthdata CMR + NASA Data Portal2016 · Image data

FLUXNET Canada is a Fluxnet research network comprised of the Fluxnet-Canada Research Network (FCRN) and the Canadian Carbon Program (CCP) operating from 1993 through 2014. It was a national research network of university and government scientists studying the influence of climate and disturbance on carbon cycling along an east-west transect of Canadian forest and peat land ecosystems. The data pr

NASA Earthdata CMR + NASA Data Portal2016 · Image data

This dataset provides environmental, soil, and vegetation data collected in August 1989 from 81 study plots at the Toolik Lake research site, located in the southern Arctic Foothills of the Brooks Range, Alaska. Data includes the baseline plot information for vegetation, soils, and site factors for the study plots subjectively located in 26 communities and 4 broad habitat types across the glaciate

NASA Earthdata CMR2014 · Text

This data set contains a record of speeds for vertically-propagating compression-waves measured throughout the depth of ice that surrounds the WAIS-D borehole. Multiple logs provide redundant measurements for all depths. Data for individual wave-speed measurements were included, as well as 3 m running averages for each log. A Takeaway Profile that represents our interpretation of the combined data

NASA Earthdata CMR2014 · Table · CSV

This data set contains in situ soil moisture data collected at several agricultural sites as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).

NASA Earthdata CMR2011 · collection

This work was completed as part of the SIPEX - Sea Ice Physics and Ecosystem eXperiment - voyage. Adapted from the SIPEX website: During SIPEX we investigated the biogeochemistry of iron (Fe), including a comprehensive examination of its distribution, speciation (i.e. the different forms of Fe), cycling and its role in fuelling sea ice-based and pelagic algal communities. A major part of this rese