Incorporating ECOSTRESS evapotranspiration in a paired catchment water balance analysis after the 2018 Holy Fire in California

An older version of this resource https://doi.org/10.4211/hs.58ca489bc50f4158838394cb6f76e0e5 is available.
Authors:
Brenton A. WilderAlicia M. Kinoshita
Owners: Brenton A. Wilder
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Created: Oct 17, 2021 at 12:23 a.m.
Last updated: Mar 09, 2022 at 7:41 p.m. (Metadata update)
Published date: Mar 09, 2022 at 7:41 p.m.
DOI: 10.4211/hs.c54a283dbefa4fa081fa8fcad8d634ca
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Sharing Status: Published
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Abstract

Ecohydrological processes such as evapotranspiration (ET) and streamflow are highly variable after fire in Mediterranean systems and require accurate assessments to improve long-term risk mitigation of erosion and peak flows and revegetation strategies, especially at the small catchment scale. Using the case of the 2018 Holy Fire in southern California, we characterized 1) pre-fire rainfall and evapotranspiration conditions and 2) recovery of ecohydrological processes using a paired analysis between an unburned (Santiago) and burned (Coldwater) catchment. ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS), Operational Simplified Surface Energy Balance Model (SSEBop), vegetation indices, and local rainfall-runoff data were used to characterize the sites and investigate spatial and temporal patterns of post-fire ET. Consistent with the drought conditions in California, we observed low precipitation and ET prior to the fire. Additionally, compared to other vegetation types, montane hardwood species were more likely to be classified as high soil burn severity. We also found that the high spatial and temporal resolution of ECOSTRESS provided more information about the general ET patterns. After the fire, ECOSTRESS ET was sensitive to parameters such as slope aspect, soil burn severity, and vegetation species, which has implications for post-fire vegetation recovery and water storage. This work demonstrates opportunities to apply ECOSTRESS ET across globally diverse ecoregions and small catchment scales to identify potentially high-risk areas and improve fire risk and vegetation recovery assessments.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Santa Ana Mountains (Cleveland National Forest)
North Latitude
33.8378°
East Longitude
-117.2950°
South Latitude
33.5705°
West Longitude
-117.6575°

Temporal

Start Date: 10/01/1990
End Date: 09/30/2021
Leaflet Map data © OpenStreetMap contributors

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Related Resources

This resource updates and replaces a previous version Wilder, B. A., A. M. Kinoshita (2021). Monitoring Fire Severity and Ecohydrological Recovery for the 2018 Holy Fire in Southern California, HydroShare, https://doi.org/10.4211/hs.58ca489bc50f4158838394cb6f76e0e5

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Joint Fire Science Program Graduate Research Innovation Award 19-1-01-55
San Diego State University Master's Research Scholarship

How to Cite

Wilder, B. A., A. M. Kinoshita (2022). Incorporating ECOSTRESS evapotranspiration in a paired catchment water balance analysis after the 2018 Holy Fire in California, HydroShare, https://doi.org/10.4211/hs.c54a283dbefa4fa081fa8fcad8d634ca

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

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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