DAAC Home > Resources > News

News

feature

AVIRIS-NG L2 Surface Reflectance, Facility Instrument Collection, V1

Submitted by ORNL DAAC Staff on 2023-07-14
Image Media
Image Media
Caption

Portion of quick look image for flight ang20200907t214229 on 07 September 2020 over the Russian River in Sonoma County south of Cloverdale, California (approximately 38.7392 lat, -122.9387 lon).

Body
L2 orthocorrected reflectance from the Airborne Visible / Infrared Imaging Spectrometer-Next Generation (AVIRIS-NG) instrument.

NASA Earthdata Webinar on Site-based Visualization Tools and Services Available

Submitted by ORNL DAAC Staff on 2023-05-01
Image Media
Image Media
Caption

GEDI Beam 101 shot number 24610500300213454 illustrating aboveground biomass.

Body
If you missed our recent Webinar on subsetting remote sensing data, a new ORNL DAAC Learning Resource provides access at your convenience.

ICESat-2 Land and Vegetation Height (ATL08) Data Available for Subsetting & Visualization

Submitted by ORNL DAAC Staff on 2023-02-06
Image Media
Image Media
Caption

ATL08 data visualized along-track (100m step size), showing the estimated ground elevation, estimated canopy top height, and the individual photon return heights with their classifications.  Image credit: Amy Neuenschwander, Center for Space Research, University of Texas.

Body
ATL08 data is available to order via ORNL DAAC's MODIS/VIIRS Global Subsets tool.

Ecogeomorphic Cell Products across the MRD, LA, USA, 2021

Submitted by ORNL DAAC Staff on 2023-02-06
Image Media
Image Media
Caption

RGB composite image of the Atchafalaya and Terrebonne basins (R=Bathymetry, G=NIR of 1st quarter, B=NIR of 3rd quarter) highlighting the various ecological and geomorphological features of the landscape.

Body
This product delineates the Mississippi River Delta (MRD) landscape into distinct small contiguous areas of land with similar ecological and geomorphological characteristics.

MASTER: SARP Campaigns from 2009 to 2018, California, USA

Submitted by ORNL DAAC Staff on 2022-08-22
Image Media
Image Media
Caption

RGB composite MASTER image from data collected during the SARP campaign over Pyramid Lake, California, USA  on 2009-07-24. Image derived from bands 12, 10, 9 spanning visible to near-infrared wavelengths.

Body
Level 1B (L1B) data products from the MODIS/ASTER Airborne Simulator (MASTER) instrument were collected and developed by the Student Airborne Research Program (SARP).

New Tools and Services for SIF-ESDR Datasets

Submitted by ORNL DAAC Staff on 2022-03-22
Image Media
Image Media
Caption

Global map of daily mean Solar Induced Fluorescence (SIF) for July 2010 at 0.05 degree resolution. The USA's Corn Belt (insert) showed the largest SIF emission during the growing Season (Image Credit: Jiaming Wen 2022).

Body
Datasets from the Solar Induced Fluorescence Earth Science Data Record (SIF-ESDR) have been integrated into ORNL DAAC subsetting tools, TDS with learning resources available, and Earthdata Cloud.
Tags

Nature Scientific Data Publication Highlights Daymet V4 Model Improvements

Submitted by ORNL DAAC Staff on 2022-01-05
Image Media
Image Media
Caption

Annual timeseries of daily cross-validation mean absolute error (MAE), averaged over all station days for each year, comparing results for Daymet V4 and Daymet V3. (a) MAE for estimation of daily maximum temperature. (b) MAE for estimation of daily total precipitation. Image from Thornton et al. 2021.

Body
A recent publication by Thornton et. al., 2021, Gridded daily weather data for North America with comprehensive uncertainty quantification, details improvements to the Daymet V4 Model.

GEOS-5 Derived Meteorological Conditions Interpolated to Airborne Flight Tracks

Submitted by ORNL DAAC Staff on 2021-12-08
Image Media
Image Media
Caption

 An example of aerosols (Salt, Dust, and Carbon and Sulfates) modeled by the Goddard Earth Observing System Version 5 (GOES-5) on 12/27/2020, image source NASA.

Body
Modeled meteorological conditions and tagged-CO tracer concentrations along ATom flight paths.
Tags

New Tutorial for Exploring GEDI L4A available

Submitted by ORNL DAAC Staff on 2021-10-28
Image Media
Image Media
Caption

The Global Ecosystem Dynamics Investigation (GEDI) instrument provides high resolution laser ranging of Earth's forests and topography from the International Space Station (ISS).

Body
A third tutorial for exploring the GEDI L4A Footprint Level Aboveground Biomass Density dataset is now available.