US-Tx6: La Copita Grassland - Savanna

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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-Tx6 data

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US-Tx6: La Copita Grassland - Savanna

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US-Tx6: La Copita Grassland - Savanna

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US-Tx6: La Copita Grassland - Savanna

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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.

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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 .

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GeoNEX Data Products

Beta: This AmeriFlux GeoNEX Products feature is in beta. If you spot any issues, please help us out by emailing geonex-feedback@lbl.gov with a description and/or screenshot of the issue. Thanks in advance!

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 .

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NDVI: Normalized Difference Vegetation Index

Resolution: 0.01° x 0.01° & 10 minutes

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NIRv Near-Infrared Reflectance of vegetation

Resolution: 0.01° x 0.01° & 10 minutes

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DSR: Surface downward shortwave radiation

Resolution: 0.01° x 0.01° & Hourly

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LST: Land Surface Temperature

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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-Tx6: La Copita Grassland - Savanna

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US-Tx6: La Copita Grassland - Savanna

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BADM for This Site

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

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US-Tx6: La Copita Grassland - Savanna

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Tower_team:
PI:	Binayak Mohanty bmohanty@tamu.edu - Texas A&M University
PI:	Cliff Lamb gclamb@tamu.edu - Texas A&M University
DataManager:	Beomseok Chun cbsuk97@tamu.edu - Texas A&M University
Technician:	Jake Gaster jakegaster@tamu.edu - Texas A&M University
Lat, Long:	27.6666, -98.2089
Elevation(m):	82
Network Affiliations:	AmeriFlux
Vegetation IGBP:	GRA (Grasslands: Lands with herbaceous types of cover. Tree and shrub cover is less than 10%. Permanent wetlands lands with a permanent mixture of water and herbaceous or woody vegetation. The vegetation can be present in either salt, brackish, or fresh water.)
Climate Koeppen:	Cfa (Humid Subtropical: mild with no dry season, hot summer)
Mean Annual Temp (°C):	22.2
Mean Annual Precip. (mm):	716
Flux Species Measured:	CO2, H, H2O, Other
Years Data Collected:	2017 - Present
Years Data Available:	No data available
Data Use Policy:	AmeriFlux Legacy Policy
Description:	La Copita Demonstration Ranch is a 2726 acre tract of rangeland located in western Jim Wells County, about 40 miles west of Corpus Christi, Texas and approximately ... La Copita Demonstration Ranch is a 2726 acre tract of rangeland located in western Jim Wells County, about 40 miles west of Corpus Christi, Texas and approximately 15 miles south and west of Alice. The ranch is located in a transition zone between the northeastern portion of the central Rio Grande Plain and the Gulf Prairie and Marshes. The climate is subtropical with hot summers and mild winters. Extended cold periods are rare. The growing season is approximately 300 days in length. Annual precipitation averages 716 mm, of which 70% falls in April through September. Three out of five years receive less than average rainfall so precipitation is erratic and droughts are often severe. See More Show Less
URL:	http://two.tamu.edu/sites/primary/lcgr.aspx
Research Topics:	The Texas Water Observatory (TWO) is a distributed network of field observatories in Brazos River corridor and was developed to better understand hydrologic ... The Texas Water Observatory (TWO) is a distributed network of field observatories in Brazos River corridor and was developed to better understand hydrologic flow across natural and manmade reservoirs in the critical zone. The network monitors and measures groundwater, soil water, surface water, and atmospheric water at multiple locations across space and through time. See More Show Less
Acknowledgment:	This research was supported by a grant to the Texas Water Observatory from the Texas A&M University Research and Development Fund and by the Texas A&M Department of Ecosystem Science and Management.

US-Tx6: La Copita Grassland - Savanna

US-Tx6: La Copita Grassland - Savanna

DOI(s) for citing US-Tx6 data

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US-Tx6: La Copita Grassland - Savanna

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US-Tx6: La Copita Grassland - Savanna

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US-Tx6: La Copita Grassland - Savanna

US-Tx6: La Copita Grassland - Savanna

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US-Tx6: La Copita Grassland - Savanna

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