554 datasets

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This dataset provides aboveground biomass (AGB) maps at 10-m spatial resolution for the Howland Research Forest in central Maine for the years 2012, 2015, 2017, 2021, 2023, and 2025. Forest inventory measurements were collected from 38 plots during the summers of 2024 and 2025. Airborne LiDAR data were obtained from multiple sources and acquisition periods. The USGS 3D Elevation Program 3DEP data

NASA Earthdata CMR + NASA Data Portal2026 · Image data

This dataset holds maps of forest structure and structural diversity metrics at a range of spatial scales (1, 5, 10, 15, 20 and 25 km) derived from NASA's Global Ecosystem Dynamics Investigation (GEDI) spaceborne lidar data collected between April 2019 and March 2023. It also holds the airborne laser scanning (ALS) data that provides simulated GEDI waveforms and was used to evaluate the GEDI-deriv

NASA Earthdata CMR2025 · collection

This dataset provides surface spectral reflectance imagery which demonstrates snow albedo and snow optical properties during the NASA SnowEx 2023 field campaign that took place in Alaska between 7 April 2023 and 5 May 2023. Imagery was collected across several snow-covered boreal forest environments on April 20th, 2023, near Fairbanks, Alaska, including Farmers Loop Creamers Field (FLCF), and Cari

NASA Earthdata CMR2025 · Text

This dataset contains geolocation information for ground-based and airborne measurements collected in Alaska, USA as part of the NASA SnowEx 2023 campaign (Vuyovich et al., 2024). The purpose of this compilation is to facilitate the use of SnowEx 2023 Alaska data by providing Geographical Information System (GIS) files in one location.

NASA Earthdata CMR + NASA Data Portal2025 · Image data

This dataset provides initial condition files for initializing the Ecosystem Demography Model (ED2). This dataset holds regional forest structure characteristics across the Brazilian Amazon that were derived from 545 airborne lidar transects (300 x 12500 m each) acquired during the Amazon Biomass Estimation Project (EBA2016) campaign in 2016. These data contain vertical distributions of stem densi

NASA Earthdata CMR + NASA Data Portal2025 · Image data

This report summarizes the community discussions at the 2024 NASA Surface Biology and Geology (SBG) Technical Interchange Meeting (TIM) from May 29 to 31, 2024, in Washington, D.C., US. The report provides the broader science community with information on the current state of the SBG mission, SBG-relevant science and applications, and future work needed. The SBG mission includes a visible to short

NASA Earthdata CMR + NASA Data Portal2025 · Image data

This dataset provides the final report from the Adaptation and Response in Drylands (ARID) scoping study. ARID is one of the two scoping studies funded by NASA in 2023 to identify the scientific questions and develop the initial study design and implementation concept for a new NASA Terrestrial Ecology field campaign. This report emphasizes a prioritized research agenda and an initial implementati

NASA Earthdata CMR + NASA Data Portal2025 · Image data

This dataset provides the final report from the PAN tropical investigation of bioGeochemistry and Ecological Adaptation (PANGEA) scoping study. PANGEA is one of the two scoping studies funded by NASA in 2023 to identify the scientific questions and develop the initial study design and implementation concept for a new NASA Terrestrial Ecology field campaign. This report provides 1) the scientific r

NASA Earthdata CMR2024 · collection

The data set consists of 1 m resolution snow depth, elevation, aspect, slope, canopy percent cover, canopy height, and foliage height diversity (FHD) measurements at 0.5 m, 1 m, and 2 m from the NASA SnowEx Grand Mesa, Colorado study site. Data are derived from Airborne Snow Observatory (ASO) snow-off lidar flights from September 2016 (ASO L4 Lidar Point Cloud Digital Terrain Model 3m UTM Grid, Ve

NASA Earthdata CMR2024 · Table · CSV

This data set contains snowpack relative permittivities and densities derived from Ground Penetrating Radar (GPR) surveys and airborne lidar observations of snow depths. The results of the original GPR surveys are published in the <a href="https://doi.org/10.5067/G21LGCNLFSC5">SnowEx17 Ground Penetrating Radar, Version 2</a> data set, while the lidar snow depths were sourced from <a href="https://

NASA Earthdata CMR2024 · Raster · GeoTIFF

This data set contains rasterized snow depth maps derived from lidar point cloud data collected from Grand Mesa, Colorado during the SnowEx20 campaign. The subset data file was used as input data to derive SWE and snow density data, which is available as <a href="https://doi.org/10.5067/LANQ53RTJ2DR">SnowEx20 Grand Mesa IOP Lidar and GPR-Derived Snow Water Equivalent and Snow Density, Version 1</a

NASA Earthdata CMR + NASA Data Portal2024 · Image data

This dataset provides calibrated at-sensor radiance, retrieved surface brightness temperature, and adaptive coherence estimator (ACE) detection imagery of methane, and a limited number of auxiliary gases collected with the Aerospace Corporation's Mako airborne longwave-IR hyperspectral imager flown during July 22-25, 2014 over a variety of methane generating sites in southern and central Californi

NASA Earthdata CMR2024 · Raster · GeoTIFF

This data set contains a time series of snow depth maps and related intermediary snow-on and snow-off DEMs for Grand Mesa and the Banded Peak Ranch areas of Colorado derived from very-high-resolution (VHR) satellite stereo images and lidar point cloud data. Two of the snow depth maps coincide temporally with the 2017 NASA SnowEx Grand Mesa field campaign, providing a comparison between the satelli

NASA Earthdata CMR2022 · Table · CSV

This data set contains soil moisture data derived from the brightness temperatures measured by the Passive Active L-band System (PALS) microwave aircraft instrument. The data were collected as part of the Soil Moisture Active Passive Validation Experiment 2015 (SMAPVEX15).

NASA Earthdata CMR2021 · collection

Extracted Level 2 data include three data types: 1) Position data are included in .GPX files organized by campaign where “ICP8” refers to the 2016-2017 ICECAP2 field season and “ICP9” refers to the 2017-2018 field season. We recommend opening these files in QGIS or on similar platform. Metadata for each sonobuoy deployment include the unique identifier for each profile as well as the date, time, a

NASA Earthdata CMR2021 · collection

These radargrams were collected as part of the ICECAP (International Collaborative Exploration of the Cryosphere through Airborne Profiling) collaboration in 2015/16 (ICP7). These data were in part funded by the US National Science Foundation (SPICECAP; grant PLR-1443690 to UTIG), ACE-CRC and the G. Unger Vetlesen Foundation, and supported by the Australian Antarctic Division through project AAS-4

NASA Earthdata CMR2021 · collection

This dataset comprises the actual video footage and audio recordings made during a number of experiments made as part of ASAC project 1148 (ASAC_1148). The primary objective was to measure the responses of Antarctic wildlife to various human disturbance stimuli. An excel spreadsheet of a catalogue of the video and audio tapes is available for download from the url given below. The video and audio

NASA Earthdata CMR2021 · collection

Occupancy surveys in November 2008 (Southwell and Emmerson 2013) found a total of 31 Adelie penguin breeding sites off the Vestfold Hills. The boundaries of breeding sub-colonies at 26 of these sites were subsequently mapped from vertical aerial photographs A further two breeding sites (IS_72295 and McCallie Rocks_72205) were photographed obliquely from a helicopter using a hand-held camera on 10

NASA Earthdata CMR2021 · collection

Occupancy surveys in November 2009 and December 2010 (Southwell and Emmerson 2013) found a total of 15 Adelie penguin breeding sites in the Svenner Islands between longitudes 76.50oE to 77.50oE. The boundaries of breeding sub-colonies were subsequently mapped from vertical aerial photographs taken for abundance surveys on 20 November 2010 (for details of aerial photography see Southwell et al. 201

NASA Earthdata CMR2021 · collection

An occupancy survey on 26 January 2012 found 1 island (70166) along the coast between 111 degrees 00'E - 111 degrees 10'E had populations of breeding Adelie penguins. The survey was conducted from a fixed wing aircraft and oblique aerial photographs were taken of the occupied site. The aerial photographs were geo-referenced to the coastline shapefile from the Landsat Image Mosaic of Antarctica (LI

NASA Earthdata CMR2021 · collection

The dataset comprises Adelie penguin colony boundaries at three sites in the vicinity of Stanton Island. Boundaries were derived from oblique aerial photographs taken in the Stanton Island group. The aerial photographs were geo-referenced to AAT coastline polygon data and the boundaries of Adelie penguin colonies were digitised.

NASA Earthdata CMR2021 · collection

Occupancy surveys in November 2008 (Southwell and Emmerson 2013) found a total of 13 Adelie penguin breeding sites in the Rauer Group. The boundaries of breeding sub-colonies at 12 of these sites were subsequently mapped from vertical aerial photographs taken for abundance surveys on 21-23 November 2009. The remaining breeding site (IS_72922) was photographed obliquely from a helicopter using a ha

NASA Earthdata CMR2021 · collection

Oblique hand-held photographs were taken of all Adelie penguin breeding colonies at Murray Monolith from a fixed wing aircraft on 10 December 2010. These photographs were geo-referenced to a Worldview 2 satellite image of both monoliths taken on 26 January 2011 and the colony boundaries in the geo-referenced photos were digitised as shapefiles. Some sections of the digitised Murray Monolith coloni

NASA Earthdata CMR2021 · collection

An occupancy survey in 26 January 2012 found a total of 2 islands along the coast between 120o30’E - 121o02’E had populations of breeding Adelie penguins. The survey was conducted from a fixed wing aircraft and oblique aerial photographs were taken of each occupied site. The aerial photographs were geo-referenced to the coastline shapefile from the Landsat Image Mosaic of Antarctica (LIMA, tile E1

NASA Earthdata CMR2021 · collection

An occupancy survey in December 2009-February 2010 and January 2011 found a total of 6 islands along the Knox coast had populations of breeding Adelie penguins. The survey in 2009/10 was conducted from a fixed wing aircraft and oblique aerial photographs were taken of occupied sites. The aerial photographs were geo-referenced to satellite images or the coastline shapefile from the Landsat Image Mo