US-EPM: Edwards Plateau Martin

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Use the information below for citation of this site. See the Data Policy page for more details.

DOI(s) for citing US-EPM data

Data Use Policy: AmeriFlux CC-BY-4.0 License

No DOIs available for US-EPM

To cite BADM downloaded as a BIF file, use the publications listed below.

Publication(s) for citing site characterization

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Acknowledgments

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Resources

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US-EPM: Edwards Plateau Martin

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This page displays the list of downloads of data for the site {{siteId}}.

Note: Results are the number of downloads to distinct data users. The Download Count column indicates the number of times the data user downloaded the data. The Version column refers to the version of the data product for the site that was downloaded by the data user.

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US-EPM: Edwards Plateau Martin

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US-EPM: Edwards Plateau Martin

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MODIS NDVI

The time series shows the 16-day Normalized Difference Vegetation Index (NDVI) average from the MOD13Q1 data product.
Use the slider below the time series to zoom in and out.

Includes all pixels that have acceptable quality

To view / download these data and other MOD13Q1 products for this site, visit MODIS/Terra Vegetation Indices.

For other related products, visit MODIS/VIIRS Fixed Sites Subsets Tool.

Citation:

ORNL DAAC. 2018. Terrestrial Ecology Subsetting & Visualization Services (TESViS) Fixed Sites Subsets. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1567

Read more on how to cite these MODIS products. Data come from NASA’s MODIS instruments installed on satellites Terra and Aqua, which scan the entire Earth’s surface every one to two days.

MODIS NDVI subsetted data is not yet available for this site.

For a complete list of AmeriFlux sites, visit ORNL DAAC's MODIS/VIIRS Fixed Sites Subsets Tool.

PhenoCam Images and Derived Time Series Data

PhenoCams are high-resolution digital cameras that take repeated images of studied ecosystems and provide quantitative information about the canopy phenology. The PhenoCam Network coordinates the camera installation and data reporting/analyses across sites in the Americas, providing automated, near-surface remote sensing of canopy phenology across a range of ecosystems and climate zones. Use of PhenoCam images / data should follow the PhenoCam Data Use Policy .

No PhenoCam data for this site

GeoNEX Data Products

GeoNEX led by NASA Earth eXchange (NEX) is a collaborative effort for generating Earth monitoring products from the new generation of geostationary satellite sensors. GeoNEX has produced a suite of geostationary data products including surface reflectance, land surface temperature, surface solar radiation, and many others.

The GeoNEX Common Grid locates GeoNEX data in the geographic (latitude/longitude) projection. Pixels (grid cells) are created at regular 0.005°, 0.01°, and 0.02° resolutions.

GeoNEX pixels below cover the area 0.06° x 0.06° around and including site .

Click a square in the grid at left to display its data below.

Coordinates for selected GeoNEX Pixel

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NDVI: Normalized Difference Vegetation Index

Resolution: 0.01° x 0.01° & 10 minutes

Coordinates for pixel:

NIRv Near-Infrared Reflectance of vegetation

Resolution: 0.01° x 0.01° & 10 minutes

Coordinates for pixel:

DSR: Surface downward shortwave radiation

Resolution: 0.01° x 0.01° & Hourly

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LST: Land Surface Temperature

Resolution: 0.02° x 0.02° & Hourly

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Citation

This material can be used without obtaining permission from NASA. NASA should be acknowledged as the source of this material.

Subset Data Citation:

Hashimoto, H., Wang, W., Park, T., Khajehei, S., Ichii, K., Michaelis, A.R., Guzman, A., Nemani, R.R., Torn, M., Yi, K., Brosnan, I.G. (in preparation). Subsets of geostationary satellite data over international observing network sites for studying the diurnal dynamics of energy, carbon, and water cycles.

Relevant Science Publication Citation:

GeoNEX Surface Reflectance for Vegetation Indices (NDVI & NIRv)

Wang, W., Wang, Y., Lyapustin, A., Hashimoto, H., Park, T., Michaelis, A., & Nemani, R. (2022). A novel atmospheric correction algorithm to exploit the diurnal variability in hypertemporal geostationary observations. Remote Sensing, 14(4), 964.

GeoNEX Surface Downward Solar Radiation (DSR):

Li, R., Wang, D., Wang, W., & Nemani, R. (2023). A GeoNEX-based high-spatiotemporal-resolution product of land surface downward shortwave radiation and photosynthetically active radiation. Earth System Science Data, 15(3), 1419-1436.

GeoNEX Land Surface Temperature (LST):

Jia, A., Liang, S., & Wang, D. (2022). Generating a 2-km, all-sky, hourly land surface temperature product from Advanced Baseline Imager data. Remote Sensing of Environment, 278, 113105.

US-EPM: Edwards Plateau Martin

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BADM for This Site

Access the Biological, Ancillary, Disturbance and Metadata (BADM) information and data for this site.

BADM contain information for many uses, such as characterizing a site’s vegetation and soil, describing disturbance history, and defining instrumentation for flux processing. They complement the flux/met data.

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View Site General Info for this site (Overview tab)^*

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US-EPM: Edwards Plateau Martin

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Tower_team:
PI:	Jason West jbwest@tamu.edu - Texas A&M University
Lat, Long:	30.8167, -99.8619
Elevation(m):	—
Network Affiliations:	AmeriFlux
Vegetation IGBP:	SAV (Savannas: Lands with herbaceous and other understory systems, and with forest canopy cover between 10-30%. The forest cover height exceeds 2 meters.)
Climate Koeppen:	Cfa (Humid Subtropical: mild with no dry season, hot summer)
Mean Annual Temp (°C):	19
Mean Annual Precip. (mm):	600
Flux Species Measured:	CO2, H2O
Years Data Collected:	2020 - Present
Years Data Available:	No data available
Data Use Policy:	AmeriFlux CC-BY-4.0 Policy¹
Description:	This tower is located on the Edwards Plateau at a site known as the "Martin Ranch." The overall property is approximately 2,000 ha and is owned by Texas ... This tower is located on the Edwards Plateau at a site known as the "Martin Ranch." The overall property is approximately 2,000 ha and is owned by Texas A&M. Broadly, vegetation is a mix of woody (~20%) and herbaceous species (including Prosopis, Juniperus, and Quercus and a number of C4 grass and other herbaceous species). Common soils include the Tarrant series (Clayey-skeletal, smectitic, thermic Lithic Calciustolls ). Historic and current land uses include livestock grazing. Future prescribed burning is also planned at the site and may include areas in the footprint of the tower. See More Show Less
URL:	—
Research Topics:	Savanna ecosystem C and water vapor fluxes
Acknowledgment:	Sid Kyle Foundation for initial funding and the Martin family for donating the property

US-EPM: Edwards Plateau Martin

US-EPM: Edwards Plateau Martin

DOI(s) for citing US-EPM data

Publication(s) for citing site characterization

Acknowledgments

Resources

US-EPM: Edwards Plateau Martin

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US-EPM: Edwards Plateau Martin

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US-EPM: Edwards Plateau Martin

US-EPM: Edwards Plateau Martin

BADM for This Site

US-EPM: Edwards Plateau Martin

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