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Tower_team:
PI: Dennis Baldocchi Baldocchi@berkeley.edu - University of California, Berkeley
FluxContact: Siyan Ma syma@berkeley.edu - University of California, Berkeley
Technician: Joe Verfaillie jverfail@berkeley.edu - University of California, Berkeley
Lat, Long: 38.4316, -120.96598
Elevation(m): 177
Network Affiliations: AmeriFlux
Vegetation IGBP: WSA (Woody Savannas)
Climate Koeppen: Csa (Mediterranean: mild with dry, hot summer)
Mean Annual Temp (°C): 15.8
Mean Annual Precip. (mm): 559
Flux Species Measured: CO2
Years Data Collected: AmeriFlux: 2001 - Present
Description:
Located in the lower foothills of the Sierra Nevada Mountains, the Tonzi Ranch site is classified as an oak savanna woodland on privately owned land. Managed ...
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URL: http://nature.berkeley.edu/biometlab/sites.php?tab=US-Ton
Research Topics:
The research approach of the University of California, Berkeley Biometeorology Laboratory involves the coordinated use of experimental measurements and ...
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Acknowledgment: This research was supported by the US Department of Energy Terrestrial Carbon Program, grant No. DE-FG03-00ER63013 and DE-SC0005130
This research was supported in part by the Office of Science (BER), U.S. Department of Energy, Grant No. DE-FG02-03ER63638
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Site Publication More Site Publications
Ma, S, Baldocchi, D.D., Wolf, S., Verfaillie, J. 2016. Slow ecosystem responses conditionally regulate annual carbon balance over 15 years in Californian oak-grass savanna, Agricultural and Forest Meteorology, , 252-264.

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When using DOIs for this site, use the publications and acknowledgments listed below.

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Publications to use for Citations for this Site

Acknowledgements

  • This research was supported by the US Department of Energy Terrestrial Carbon Program, grant No. DE-FG03-00ER63013 and DE-SC0005130
  • This research was supported in part by the Office of Science (BER), U.S. Department of Energy, Grant No. DE-FG02-03ER63638

Resources

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NOTE: Version refers to the version of the AmeriFlux BASE-BADM product for the site was downloaded by the user and the download count indicates the number of times the person downloaded that version. The download count indicates the number of times the person downloaded the data.

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MODIS NDVI

Normalized Difference Vegetation Index image for this site.

For time series, data download and other MODIS products for this site, visit MODIS cutouts.

Citation

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Citation:

ORNL DAAC. 2008. MODIS Collection 5 Fixed Sites Subsetting and Visualization Tool. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1251

Read more on how to cite these MODIS images. 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.

Year Publication
2010 Baldocchi, D., Chen, Q., Chen, X., Ma, S., Miller, G., Ryu, Y., Xiao, J., Wenk, R., Battles, J. (2010) The Dynamics Of Energy, Water, And Carbon Fluxes In A Blue Oak (Quercus Douglasii) Savanna In California, Ecosystem Function In Savannas, 135-151.
2017 Ma, S., Osuna, J. L., Verfaillie, J., Baldocchi, D. D. (2017) Photosynthetic Responses To Temperature Across Leaf–Canopy–Ecosystem Scales: A 15-Year Study In A Californian Oak-Grass Savanna, Photosynthesis Research, 132(3), 277-291.
2015 Dennis Baldocchi, Cove Sturtevant (2015) Does day and night sampling reduce spurious correlation between canopy photosynthesis and ecosystem respiration?, Agricultural and Forest Meteorology, 207, 117-126.
2017 Wharton, S., Ma, S., Baldocchi, D.D., Falk, M., Newman, J.F., Osuna, J.L, Bible, K. (2017) Influence of regional nighttime atmospheric regimes on canopy turbulence and gradients at a closed and open forest in mountain-valley terrain, Agricultural and Forest Meteorology, 237–238, 18-29.
2010 Baldocchi, D. D., Ma, S., Rambal, S., Misson, L., Ourcival, J., Limousin, J., Pereira, J., Papale, D. (2010) On The Differential Advantages Of Evergreenness And Deciduousness In Mediterranean Oak Woodlands: A Flux Perspective, Ecological Applications, 20(6), 1583-1597.
2010 Ryu, Y., Nilson, T., Kobayashi, H., Sonnentag, O., Law, B. E., Baldocchi, D. D. (2010) On The Correct Estimation Of Effective Leaf Area Index: Does It Reveal Information On Clumping Effects?, Agricultural And Forest Meteorology, 150(3), 463-472.
2006 Kim, J., Guo, Q., Baldocchi, D., Leclerc, M., Xu, L., Schmid, H. (2006) Upscaling Fluxes From Tower To Landscape: Overlaying Flux Footprints On High-Resolution (IKONOS) Images Of Vegetation Cover, Agricultural And Forest Meteorology, 136(3-4), 132-146.
2003 Xu, L., Baldocchi, D. D. (2003) Seasonal Trends In Photosynthetic Parameters And Stomatal Conductance Of Blue Oak (Quercus Douglasii) Under Prolonged Summer Drought And High Temperature, Tree Physiology, 23(13), 865-877.
2011 Ma, S., Baldocchi, D. D., Mambelli, S., Dawson, T. E. (2011) Are Temporal Variations Of Leaf Traits Responsible For Seasonal And Inter-Annual Variability In Ecosystem CO2 Exchange?, Functional Ecology, 25(1), 258-270.
2010 Curiel Yuste, J., Ma, S., Baldocchi, D. D. (2010) Plant-Soil Interactions And Acclimation To Temperature Of Microbial-Mediated Soil Respiration May Affect Predictions Of Soil CO2 Efflux, Biogeochemistry, 98(1-3), 127-138.
2013 Raz-Yaseef, N., Koteen, L., Baldocchi, D. D. (2013) Coarse Root Distribution Of A Semi-Arid Oak Savanna Estimated With Ground Penetrating Radar, Journal Of Geophysical Research: Biogeosciences, 118(1), 135-147.
2005 Sims, D. A., Rahman, A. F., Cordova, V. D., Baldocchi, D. D., Flanagan, L. B., Goldstein, A. H., Hollinger, D. Y., Misson, L., Monson, R. K., Schmid, H. P., Wofsy, S. C., Xu, L. (2005) Midday Values Of Gross CO2 Flux And Light Use Efficiency During Satellite Overpasses Can Be Used To Directly Estimate Eight-Day Mean Flux, Agricultural And Forest Meteorology, 131(1-2), 1-12.
2008 Chen, Q., Baldocchi, D., Gong, P., Dawson, T. (2008) Modeling Radiation And Photosynthesis Of A Heterogeneous Savanna Woodland Landscape With A Hierarchy Of Model Complexities, Agricultural And Forest Meteorology, 148(6-7), 1005-1020.
2010 Miller, G. R., Chen, X., Rubin, Y., Ma, S., Baldocchi, D. D. (2010) Groundwater Uptake By Woody Vegetation In A Semiarid Oak Savanna, Water Resources Research, 46(10), n/a-n/a.
2003 Tang, J., Baldocchi, D. D., Qi, Y., Xu, L. (2003) Assessing Soil CO2 Efflux Using Continuous Measurements Of CO2 Profiles In Soils With Small Solid-State Sensors, Agricultural And Forest Meteorology, 118(3-4), 207-220.
2005 Hibbard, K. A., Law, B. E., Reichstein, M., Sulzman, J. (2005) An Analysis Of Soil Respiration Across Northern Hemisphere Temperate Ecosystems, Biogeochemistry, 73(1), 29-70.
2008 Chen, X., Rubin, Y., Ma, S., Baldocchi, D. (2008) Observations And Stochastic Modeling Of Soil Moisture Control On Evapotranspiration In A Californian Oak Savanna, Water Resources Research, 44(8), n/a-n/a.
2007 Chen, Q., Gong, P., Baldocchi, D., Tian, Y. Q. (2007) Estimating Basal Area And Stem Volume For Individual Trees From Lidar Data, Photogrammetric Engineering & Remote Sensing, 73(12), 1355-1365.
2005 Tang, J., Baldocchi, D. D. (2005) Spatial–Temporal Variation In Soil Respiration In An Oak–Grass Savanna Ecosystem In California And Its Partitioning Into Autotrophic And Heterotrophic Components, Biogeochemistry, 73(1), 183-207.
2010 Ryu, Y., Sonnentag, O., Nilson, T., Vargas, R., Kobayashi, H., Wenk, R., Baldocchi, D. D. (2010) How To Quantify Tree Leaf Area Index In An Open Savanna Ecosystem: A Multi-Instrument And Multi-Model Approach, Agricultural And Forest Meteorology, 150(1), 63-76.
2012 Kobayashi, H., Baldocchi, D. D., Ryu, Y., Chen, Q., Ma, S., Osuna, J. L., Ustin, S. L. (2012) Modeling Energy And Carbon Fluxes In A Heterogeneous Oak Woodland: A Three-Dimensional Approach, Agricultural And Forest Meteorology, 152, 83-100.
2004 Baldocchi, D. D., Xu, L., Kiang, N. (2004) How Plant Functional-Type, Weather, Seasonal Drought, And Soil Physical Properties Alter Water And Energy Fluxes Of An Oak–Grass Savanna And An Annual Grassland, Agricultural And Forest Meteorology, 123(1-2), 13-39.
2007 Ma, S., Baldocchi, D. D., Xu, L., Hehn, T. (2007) Inter-Annual Variability In Carbon Dioxide Exchange Of An Oak/Grass Savanna And Open Grassland In California, Agricultural And Forest Meteorology, 147(3-4), 157-171.
2005 Gu, L., Falge, E. M., Boden, T., Baldocchi, D. D., Black, T., Saleska, S. R., Suni, T., Verma, S. B., Vesala, T., Wofsy, S. C., Xu, L. (2005) Objective Threshold Determination For Nighttime Eddy Flux Filtering, Agricultural And Forest Meteorology, 128(3-4), 179-197.
2004 Xu, L., Baldocchi, D. D., Tang, J. (2004) How Soil Moisture, Rain Pulses, And Growth Alter The Response Of Ecosystem Respiration To Temperature, Global Biogeochemical Cycles, 18(4), n/a-n/a.
2007 Baldocchi, D. D., Xu, L. (2007) What Limits Evaporation From Mediterranean Oak Woodlands – The Supply Of Moisture In The Soil, Physiological Control By Plants Or The Demand By The Atmosphere?, Advances In Water Resources, 30(10), 2113-2122.
2007 Fisher, J. B., Baldocchi, D. D., Misson, L., Dawson, T. E., Goldstein, A. H. (2007) What The Towers Don'T See At Night: Nocturnal Sap Flow In Trees And Shrubs At Two Ameriflux Sites In California, Tree Physiology, 27(4), 597-610.
2007 Chen, Q., Gong, P., Baldocchi, D., Xie, G. (2007) Filtering Airborne Laser Scanning Data With Morphological Methods, Photogrammetric Engineering & Remote Sensing, 73(2), 175-185.
2016 Wolf, S., Keenan, T.F., Fisher, J.B., Baldocchi, D.D., Desai, A.R., Richardson, A.D., Scott, R.L., Law, B.E., Litvak, M.E., Brunsell, N.A., Peters, W., van der Laan-Luijkx, I.T. (2016) Warm spring reduced carbon cycle impact of the 2012 US summer drought, Proceedings of the National Academy of Sciences, 113(21), 5880-5885.
2016 Wang, J., X. M. Xiao, P. Wagle, S. Y. Ma, D. Baldocchi, A. Carrara, Y. Zhang, J. W. Dong, and Y. W. Qin. (2016) Canopy and climate controls of gross primary production of Mediterranean-type deciduous and evergreen oak savannas., Agricultural and Forest Meteorology, 226, 132-147.
2016 Ma, S, Baldocchi, D.D., Wolf, S., Verfaillie, J. (2016) Slow ecosystem responses conditionally regulate annual carbon balance over 15 years in Californian oak-grass savanna, Agricultural and Forest Meteorology, 252-264.
2004 Xu, L., Baldocchi, D.D., Tang, J. (2004) How soil moisture, rain pulses, and growth alter the response of ecosystem respiration to temperature, Global Biogeochemical Cycles, 18(GB4002), 0-0.

BADM for This Site

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BADM contain information for many uses, such as characterizing a site’s vegetation and soil, describing disturbance history, and defining instrumentation for flux processing. They complement the flux/met data.

* Online updates are shown on the Overview tab real time. However, downloaded BADM files will not reflect those updates until they have been reviewed for QA/QC.

Wind Roses

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  • Image scales: 795m x 795m (small); 1590m x 1590m (large)
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  • Wind roses use variables ‘WS’ and ‘WD’.
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