Articles | Volume 16, issue 8
https://doi.org/10.5194/bg-16-1845-2019
https://doi.org/10.5194/bg-16-1845-2019
Research article
 | 
30 Apr 2019
Research article |  | 30 Apr 2019

Quantifying energy use efficiency via entropy production: a case study from longleaf pine ecosystems

Susanne Wiesner, Christina L. Staudhammer, Paul C. Stoy, Lindsay R. Boring, and Gregory Starr

Data sets

MYD13Q1 MODIS/Aqua Vegetation Indices 16-Day L3 Global 250 m SIN Grid V006 [Data set] K. Didan https://doi.org/10.5067/MODIS/MYD13Q1.006

Model code and software

MOD13Q1 MODIS/Terra Vegetation Indices 16-Day L3 Global 250 m SIN Grid V006 [Data set] K. Didan https://doi.org/10.5067/MODIS/MOD13Q1.006

US-LL1: Longleaf Pine - Baker (Mesic site) G. Starr and S. Brantley https://ameriflux.lbl.gov/sites/siteinfo/US-LL1

US-LL2: Longleaf Pine - Dubignion (Intermediate site) G. Starr and S. Brantley https://ameriflux.lbl.gov/sites/siteinfo/US-LL2

US-LL3: Longleaf Pine - Red Dirt (Xeric Site) G. Starr and S. Brantley https://ameriflux.lbl.gov/sites/siteinfo/US-LL3

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Short summary
We studied entropy production in longleaf savanna sites with variations in land use legacy, plant diversity, and soil water availability which experienced drought. Sites with greater land use legacy had lower metabolic energy use efficiency, which delayed recovery from drought. Sites with more hardwood captured less solar radiation but more efficiently used absorbed energy. Future management applications could use these methods to quantify energy use efficiency across global ecosystems.
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