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Jornada Piedmont site Eddy Covariance Data

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Storage:	The size of this resource is 36.0 MB
Created:	Mar 24, 2025 at 5:14 p.m.
Last updated:	Apr 21, 2025 at 6:18 p.m.
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Content types:	CSV Content

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Abstract

This study explores the dynamics of water fluxes and carbon exchange in the Chihuahuan Desert using high-frequency data collected at the Jornada Experimental Range from October 2019 to December 2024. Measurements were recorded every 10seconds using a Licor 7500i system paired with a Vaisala sensor for atmospheric humidity and temperature, as well as radiation sensors and soil moisture and temperature probes. These instruments were installed on a 2.4-meter tower located at the piedmont zone of the ranch. Motivated by recent shifts in rainfall intensity, frequency, and increasing drought conditions, this research aims to better understand how desert ecosystems respond to rainfall pulses—particularly how much water is lost through evaporation versus how much is used by vegetation. To address this, we applied the underlying Water Use Efficiency (uWUE) method to partition evapotranspiration after rainfall events. Complementarily, an artificial rainfall experiment was conducted on a 20x10m plot at the same site to monitor soil water movement using TDR sensors and 3D Electrical Resistivity surveys up to 3 meters deep. These combined approaches help shed light on the role of shallow calcium carbonate layers in water storage and accessibility, and how desert plants adapt their water use strategies following precipitation pulses.

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Jornada Experimental Range

North Latitude

32.5838°

East Longitude

-106.6279°

South Latitude

32.5834°

West Longitude

-106.6284°

Temporal

Start Date:
End Date:

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Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
U.S. National Science Foundation	Network Cluster: Patterns and controls of ecohydrology, CO2 fluxes, and nutrient availability in pedogenic carbonate-dominated dryland critical zones	2012475

How to Cite

Jurado, A. D. T. L. M. L. J. M. E. A. D. H. G. (2025). Jornada Piedmont site Eddy Covariance Data, HydroShare, http://www.hydroshare.org/resource/48c5fe91d9c3481fa5f1e53b843fd318

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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