United States: California: Vaira Ranch (Ione)
Latitude: 38.406667
Longitude: -120.950556
- Network: AmeriFlux
- Principal investigator: Dennis Baldocchi
- PI-affiliated institution: University of California, Berkeley
- Primary IGBP ecosystem type: Woody Savannas
- Dominant plant functional type: Shrub
- Recent and historic disturbance and management events that may affect this site:
- Grazing: Herbivory or browsing by mammals, managed or wild.
- Flux data collection:
- Start date: April 2000
- End date: Ongoing
- Start date: April 2000
- Flux methods:
- Eddy covariance
- Optical data collection:
- Start date: October 2000
- End date: Ongoing
- Start date: October 2000
- Data collection period: Continuous operation: Variable collected continuously with the reported method.
- Data scale: Canopy, Stand
- Collection methods: Tower
- Types of data collected: PAR (Net Radiometer Kipp & Zonen NR-LIT), PYR (Pyranometer Kipp & Zonen CM11), Relative humidity (Barometric Pressure Sensor Vaisala PTB101), Acoustic measurements (Sonic Anemometer Gill WindMaster PRO),
- Publications
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Yuan, Wenping, Shuguang Liu, Guangsheng Zhou, Guoyi Zhou, Larry L. Tieszen, Dennis Baldocchi, Christian Bernhofer et al. "Deriving a light use efficiency model from eddy covariance flux data for predicting daily gross primary production across biomes." Agricultural and Forest Meteorology 143, no. 3 (2007): 189-207.
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Sims, Daniel A., Abdullah F. Rahman, Vicente D. Cordova, Dennis D. Baldocchi, Lawrence B. Flanagan, Allen H. Goldstein, David Y. Hollinger et al. "Midday values of gross CO 2 flux and light use efficiency during satellite overpasses can be used to directly estimate eight-day mean flux." Agricultural and Forest Meteorology 131, no. 1 (2005): 1-12.
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Falk, Matthias, T. Meyers, A. Black, A. G. Barr, S. Yamamoto, S. B. Verma, and D. Baldocchi. "Seasonal course of a normalized differential vegetation index 'NDVI'derived from tower data." In 26th Conference on Agricultural and Forest Meteorology. 2004.
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Yang, Feihua, Kazuhito Ichii, Michael A. White, Hirofumi Hashimoto, Andrew R. Michaelis, Petr Votava, A-Xing Zhu, Alfredo Huete, Steven W. Running, and Ramakrishna R. Nemani. "Developing a continental-scale measure of gross primary production by combining MODIS and AmeriFlux data through Support Vector Machine approach." Remote Sensing of Environment 110, no. 1 (2007): 109-122.
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External home page: https://ameriflux.lbl.gov/sites/siteinfo/US-Var