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Global High-Resolution Estimates of Solar Induced Fluorescence

Submitted by ORNL DAAC Staff on 2021-07-30
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Daily-corrected SIF at 740 nm for August 2015. The highest SIF values during this time period were observed in agricultural sectors in the Northern Hemisphere.

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This dataset provides monthly global solar-induced chlorophyll fluorescence (SIF) estimates from fused SCIAMACHY and GOME-2 at a 0.05-degree resolution from August 2002 through December 2018.

LiDAR Derived Biomass, Canopy Height, and Cover for New England Region, USA, 2015

Submitted by ORNL DAAC Staff on 2021-07-30
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30 m resolution maps of aboveground biomass density (AGBD) over the New England region in 2015. a) The mean of the posterior distribution sampled from a Markov chain Monte Carlo (MCMC) model. b) The AGBD estimate over an entire pixel adjusted by canopy cover (i.e., AGBD multiplied by canopy cover percentage). Source: Tang et al., 2021

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This dataset provides 30 m gridded estimates of aboveground biomass density (AGBD), forest canopy height, and tree canopy coverage for the New England Region of the USA for 2015.
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ESA 2021 Workshop: Synergistic Use of SAR and Lidar Data

Submitted by ORNL DAAC Staff on 2021-07-22
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Please join us at the 2021 Ecological Society of America: Vital Connections in Ecology Meeting, August 2-6, 2021.

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Upcoming ESA Workshop 27: Synergistic Use of SAR and Lidar Data for Terrestrial Ecology Research at 2021 Virtual Ecological Society of America Meeting, August 6, 2021, 3-4:30 PT

High Latitude Annual Snow Melt Duration from Passive Microwave Sensors

Submitted by ORNL DAAC Staff on 2021-07-15
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Descriptive statistics for snow melt duration (SMD) for the period 1988-2016, including mean, standard deviation, and coefficient of variation. Units are the number of days per year. 

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This dataset provides the annual period of snowpack melting across northwest Canada; Alaska, U.S.; and parts of far eastern Russia at 6.25 km resolution for the period 1988-2016.
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High Latitude Annual Seasonal Snow Melt Onset from Passive Microwave Sensors

Submitted by ORNL DAAC Staff on 2021-07-15
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Spatial extent of snowpack main melt onset dataset (MMOD) extending from the Russian Far East across Alaska into Canada's Northwest Territories and British Columbia. Source: Pan et al. (2021)

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This dataset provides the annual date of snowpack seasonal beginning melt across northwest Canada; Alaska, U.S.; and parts of far eastern Russia for 1988-2016.
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Laboratory Analyzed Atmospheric Trace Gas and Isotope Measurements

Submitted by ORNL DAAC Staff on 2021-07-15
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Collection locations of atmospheric carbon dioxide concentration from flasks collected by the Medusa system during ATom-4 flights in 2018.

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Laboratory analysis of atmospheric chemistry from flasks collected during airborne campaigns conducted by NASA's ATom Mission.
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Oxygen and CO2 Measurements from the NCAR AO2 Instrument

Submitted by ORNL DAAC Staff on 2021-07-15
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The AO2 instrument used to collect airborne Oxygen and Carbon Dioxide measurements on HIPPO flights from 2009 through 2011.

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This dataset provides in situ atmospheric oxygen and carbon dioxide concentrations measured during airborne campaigns conducted by NASA's ATom mission.
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