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News 2017

March
Publications

Liu, Y., M. J. Hill, X. Zhang, Z. Wang, A. D. Richardson, K. Hufkens, G. Filippa, D. D. Baldocchi, S. Ma, J. Verfaillie, and C. B. Schaaf. 2017. Using data from Landsat, MODIS, VIIRS and PhenoCams to monitor the phenology of California oak/grass savanna and open grassland across spatial scales. Agricultural and Forest Meteorology 237–238:311-325. http://dx.doi.org/10.1016/j.agrformet.2016.10.023

Visitors

Kyle Hemes, from the Berkeley Biomet lab and DWR counterparts hosted a Delta field visit from a Colorado College climate change economics class. Discussion centered around California’s linked climate and water challenges, how wetland restoration could be used as a climate mitigation activity, and the challenges around measurement and accounting of land use greenhouse gas emissions. The group visited restored wetland sites on Twitchell Island

February
Publications

Chu, H., D. D. Baldocchi, R. John, S. Wolf, and M. Reichstein. 2017. Fluxes All of the Time? A Primer on the Temporal Representativeness of FLUXNET. Journal of Geophysical Research: Biogeosciences doi:10.1002/2016JG003576. published on line. http://onlinelibrary.wiley.com/doi/10.1002/2016JG003576/abstract

Wharton, S., S. Ma, D. D. Baldocchi, M. Falk, J. F. Newman, J. L. Osuna, and K. Bible. 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.http://dx.doi.org/10.1016/j.agrformet.2017.01.020

Miner, G. L., W. L. Bauerle, and D. D. Baldocchi. 2017. Estimating the sensitivity of stomatal conductance to photosynthesis: a review. Plant, Cell & Environment doi:10.1111/pce.12871 http://onlinelibrary.wiley.com/doi/10.1111/pce.12871/full

Knox, S. H., I. Dronova, C. Sturtevant, P. Y. Oikawa, J. H. Matthes, J. Verfaillie, and D. Baldocchi. 2017. Using digital camera and Landsat imagery with eddy covariance data to model gross primary production in restored wetlands. Agricultural and Forest Meteorology 237–238:233-245. http://dx.doi.org/10.1016/j.agrformet.2017.02.020

AGRFORMET-D-16-00698R1, Using data from Landsat, MODIS, VIIRS and PhenoCams to monitor the phenology of California oak/grass savanna and open grassland across spatial scales, by Yan Liu; Michael J Hill; Xiaoyang Zhang; Zhuosen Wang; Andrew D Richardson; Koen Hufkens; Gianluca Filippa; Dennis D Baldocchi; Siyan Ma; Joseph Verfaillie; Crystal B Schaaf, has been accepted for publication in Agricultural and Forest Meteorology.

Visitors

Lei Zhao, from Princeton. Formerly in Xuhui Lee's lab at Yale and now in Michael Oppenheimer's lab at Princeton. We discussed land-atmosphere interactions and use of Ameriflux and Fluxnet data.

Paul Moorcroft, Harvard, dropped by to discussed continued collaboration of using Tonzi-Vaira data to test the Ecosystem Dynamics model, ED

Jeff Wood, University of Missouri, gave a presentation on the long term carbon, water and energy fluxes at the Missouri AmeriFlux site and on the new SIF measurements.

January
Publications

Oikawa, PY, Sturtevant, C, Knox, SH, Verfaillie, J; Yi-wen Huang; Baldocchi, DD,2017  Revisiting the Partitioning of Net Ecosystem Exchange of CO2 into Photosynthesis and Respiration with Simultaneous Flux Measurements of 13CO2 and CO2, Soil Respiration and a Biophysical Model, CANVEG, Agricultural and Forest Meteorology: 234-235, 149-163, http://dx.doi.org/10.1016/j.agrformet.2016.12.016

Oikawa, P. Y., G. D. Jenerette, S. H. Knox, C. Sturtevant, J. Verfaillie, I. Dronova, C. M. Poindexter, E. Eichelmann, and D. D. Baldocchi. 2016. Evaluation of a hierarchy of models reveals importance of substrate limitation for predicting carbon dioxide and methane exchange in restored wetlands. Journal of Geophysical Research: Biogeosciences: doi: 10.1002/2016jg003438 

AGRFORMET-D-15-00678R3, Influence of regional nighttime atmospheric regimes on canopy turbulence and gradients at a closed and open forest in mountain-valley terrain, by Sonia Wharton; Siyan Ma; Dennis D Baldocchi; Matthias Falk; Jennifer F Newman; Jessica L Osuna; Ken  Bible has been accepted for publication in Agricultural and Forest Meteorology.

Photosynthetic Responses to Temperature across Leaf and Ecosystems Scales: a Case Study at an Oak-grass Savanna in California submitted for possible publication in Photosynthesis Research, SY Ma, J Osuna, J Verfaillie, D. Baldocchi

Evaluation of density corrections to methane fluxes measured by open-path eddy covariance over contrasting landscapes. Samuel D Chamberlain; Joseph Verfaillie; Kyle S Hemes; Elke Eichelmann; Dennis D Baldocchi. submitted to Boundary-Layer Meteorology

Visitors

Miriam Johnston, Harvard. Miriam is using data from Tonzi ranch to test the Ecosystem Demographic model, ED, for California conditions of seasonal drought

Sara Knox, postdoc at USGS Menlo Park, and former graduate student, came by and gave a presentation on her trace gas flux measurements over tidal wetlands

         
    This material is based upon work supported by the National Science Foundation and US Department of Energy. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the supporters.