Visitors since
2013-08-30
   

News 2014

September
Meetings

Bridging soil physics and ecosystem ecology towards better understanding soil trace gas efflux. Complex Soil Systems Conference. A Path to Improved Understanding of Complex Soil Systems. Berkeley, California. Sept 3-5, 2014.

Publications

Knox, S. H., C. Sturtevant, J. H. Matthes, L. Koteen, J. Verfaillie, and D. Baldocchi. 2014. Agricultural peatland restoration: effects of land-use change on greenhouse gas (CO2 and CH4) fluxes in the Sacramento-San Joaquin Delta. Global Change Biology doi: 10.1111/gcb.12745

http://onlinelibrary.wiley.com/doi/10.1111/gcb.12745/abstract

Reichstein, M., M. Bahn, M. D. Mahecha, J. Kattge, and D. D. Baldocchi. 2014. Linking plant and ecosystem functional biogeography. Proceedings of the National Academy of Sciences. doi: 10.1073/pnas.1216065111.  published on line

http://www.pnas.org/content/early/2014/09/10/1216065111.abstract

Staff News

The wetland research made the front of the ESPM web page. Check it out as Cove Sturtevant put together an exciting movie of the growing tules as the restored wetland developes.  We hope Cove can submit his Movie to the Sundance Festival and it wins an Academy Award next year.

http://ourenvironment.berkeley.edu/2014/09/picturing-carbon-credits-in-the-restored-wetlands-of-the-sacramento-san-joaquin-river-delta/

August
Meetings

Sara Knox is attending the annual meeting of the Ecological Society of America in Sacramento and is presenting a talk on 'Greenhouse gas emissions and carbon sequestration potential in restored freshwater marshes in the Sacramento San-Joaquin Delta, California'

ddb attended the AsiaFlux meeting at the International Rice Research Institute, Los Banos, Philippines. He gave presentations on greenhouse gas flux measurements in the delta and a report on the status of FLUXNET

asiaflux_2014.jpg

Proposals

Funding arrived for the DOE project 'Connecting AmeriFlux to the Globe, Extending the Partnership with the Global Flux Network, FLUXNET'. The project is a partnership with Margaret Torn, Deb Agarwal, Marty Humphrey and a formal collaboration with Dario Papale and Markus Reichstein, ICOS, OzFlux, AmeriFlux, AsiaFlux, ChinaFlux and LBA.

Publications

Knox et al Agricultural peatland restoration: effects of land-use change on greenhouse gas (CO2 and CH4) fluxes in the Sacramento-San Joaquin Delta has been accepted with minor revision by Global Change Biology.

 

Staff News

Eric Waller is now Dr. Waller, Ph.D.  Eric submitted his dissertation onComplexity of Climate Controls on Plant Species Distributions. Congratulations.

July
Meetings

Sebastian Wolf attended the GEWEX meeting in the Netherlands and presented a poster on Global Patterns of Biosphere-Atmosphere Energy Fluxes in Terrestrial Ecosystems.  He won an award at the meeting for his poster. Congratulations

ddb returned from a visit at the Czech Globe, the global change research centre of the Czech Academy of Science.  He gave presentations on FLUXNET and leaf to canopy scaling, discussed science with the team and visited various field sites across the Czech republic including Bily Kriz, a new temperate forest site in a flood plain and the new 250 m ICOS tower.

ddb gave the 2014 Karlsruhe Institute of Technology Environment lecture in Garmisch Partenkirchen on 'I've looked at plants from both sides now; ecosystem-atmosphere interactions'.  The next day he  participated in a Spitzenforscherwerkstatt (Environmental Research Summit) discussing science careers with 30 young scientists.

Publications

Xiao, J., S. V. Ollinger, S. Frolking, G. C. Hurtt, D. Y. Hollinger, K. J. Davis, Y. Pan, X. Zhang, F. Deng, J. Chen, D. D. Baldocchi, B. E. Law, M. A. Arain, A. R. Desai, A. D. Richardson, G. Sun, B. Amiro, H. Margolis, L. Gu, R. L. Scott, P. D. Blanken, and A. E. Suyker. 2014. Data-driven diagnostics of terrestrial carbon dynamics over North America. Agricultural and Forest Meteorology 197:142-157.

http://www.sciencedirect.com/science/article/pii/S0168192314001671#

Matthes, J. H., C. Sturtevant, J. Verfaillie, S. Knox, and D. Baldocchi. 2014. Parsing the variability in CH4 flux at a spatially heterogeneous wetland: Integrating multiple eddy covariance towers with high-resolution flux footprint analysis. Journal of Geophysical Research: Biogeosciences:2014JG002642.

http://onlinelibrary.wiley.com/doi/10.1002/2014JG002642/abstract

Research

The Biomet Lab is conducting some text experiments of soil respiration with Picarro at Sherman Island using auto chambers, Forced Diffusion Chambers and Flux gradient measurements

June
Meetings

Patty Oikawa and ddb attended the 9th Air Pollution and Global Change Symposium at Asilomar.  Patty presented a poster on Improving process based modeling of CO2 and CH4 from managed peatland systems. ddb gave a presentation on Assessing the impacts of agricultural management and ecological restoration on greenhouse gas fluxes to and from temperate peatlands.

Publications

Baldocchi, D. (2014), Measuring Fluxes of Trace Gases and Energy between Ecosystems and the Atmosphere—the State and Future of the Eddy Covariance Method, Global Change Biology, 10.1111/gcb.12649.  published on line.

http://onlinelibrary.wiley.com/doi/10.1111/gcb.12649/abstract

http://onlinelibrary.wiley.com/doi/10.1111/gcb.12649/pdf

Staff News

The Biomet Lab had its annual summer party at the Beach (a subset of hardy beach walkers + a guy from Stanford).  

We also said Farewell to Martin Beland, who is moving on to a faculty position at Laval University in Quebec City.

biomet_lab_dillon_beach_2014.jpg

May
Meetings

Sara Knox, Sebastian Wolf and ddb attended the DOE AmeriFlux and Terrestrial Ecosystem Science meetings at Potomac, MD. Sara won a travel scholarship to attend the meeting and Sebastian gave a talk on his drought synthesis work.

Numerous Biomet alumni were in attendance at the meetings, including Lianhong Gu, Liukang Xu, Jianwu Tang, Josh Fisher, Xingyuan Chen, Jessica Cruz and Emily Gilson.

Sebastian Wolf and ddb attended the 31st Conference on Agricultural and Forest Meteorology in Portland, OR.  Sebastian gave a talk on this drought synthesis.  

 

ddb gave a talk at the Ray Leuning Symposium, Faced with Biometeorological Problems, What would Ray Do?.

https://ams.confex.com/ams/31AgF2BioGeo/videogateway.cgi/id/27501?recordingid=27501

Cove Sturtevant gave a presentation on Exploring the time scales of interaction between environmental drives adn greenhouse gas exchange in peatland ecosystems at the Joint Aquatics Science Meeting in Portland.

 

Other

The Biomet lab hosted a number of State agency representatives (Dept Water Resources, Legislative Analyst Office, Dept Fish and Game, Air Resources Board) on a tour of the Delta greenhouse gas flux measurement network. May 1, 2014

Publications

Baldocchi, D., and E. Waller (2014), Winter fog is decreasing in the fruit growing region of the Central Valley of California, Geophys. Res. Lett., 2014GL060018. published on-line

 Coverage of the work is posted on

http://newscenter.berkeley.edu/2014/05/20/central-valley-gets-less-winter-tule-fog-for-crops/

http://news.agu.org/press-release/californias-central-valley-sees-big-drop-in-wintertime-fog-needed-for-fruit-and-nut-crops/

http://www.sfchronicle.com/science/article/As-Central-Valley-fog-disappears-fruit-nut-5496710.php?t=b93b2086ac#/0

http://www.sacbee.com/2014/05/23/6429002/drought-causing-tule-fog-to-disappear.html

http://www.psmag.com/navigation/nature-and-technology/tule-fog-82095/

http://sanfrancisco.cbslocal.com/2014/05/22/387926-dennis-baldocchi-uc-berkeley-studay-global-warming/

http://www.nature.com/nature/journal/v510/n7503/full/510011d.html

http://www.neontommy.com/news/2014/05/climate-change-and-california-agriculture

http://earthobservatory.nasa.gov/IOTD/view.php?id=83806&src=fb 

Koteen, L. E., N. Raz-Yaseef, and D. D. Baldocchi (2014), Spatial heterogeneity of fine root biomass and soil carbon in a California oak savanna illuminates plant functional strategy across periods of high and low resource supply, Ecohydrology, DOI: 10.1002/eco.1508

http://onlinelibrary.wiley.com/doi/10.1002/eco.1508/abstract

Toomey, Michael, Friedl, M., Frolking, S., Hufkens, K., Klosterman, S., Sonnentag, O., Baldocchi, D.D., Bernacchi, C.J., Bohrer, G., Brzostek, E., Burns, S.P., Coursolle, C., Hollinger, D.Y., Margolis, H.A., McCaughey, H.,  Monson, R.K., Munger, J.W., Pallardy, S., Phillips, R.P., Torn, M., Wharton, S., Zeri, M., Richardson, A.D.. 2014. Greenness indices from digital cameras predict the timing and seasonal dynamics of canopy-scale photosynthesis. Ecological Applications. Accepted.

Mathes Hatala, J., Sturtevant, C., O’Connell, J., Byrd, K., Verfaillie, J., Knox, S., Baldocchi, D., 2014. Parsing variability in CH4 fluxes at a spatially heterogeneous wetland: Integrating multiple eddy covariance towers with high-resolution flux footprint analysis Journal of Geophysical Research - Biogeosciences. 2014JG002642R. accepted

Research

Martin Beland posted a new LIDAR image of a giant sequoia.  It is a really great 3D image of an iconic 86 m tree. Take a watch and help make it go viral

https://www.youtube.com/watch?v=oCXNofFDe5Q

Staff News

Joe Verfaillie won the ESPM photo contest with a great shot of our rice paddy at our Delta Field site on Twitchell Island

http://ourenvironment.berkeley.edu/2014/05/20th-anniversary-photo-contest-winners-announced/

Madeleine Geli from ENSTA-ParisTech in France joined the Biometeorology lab as a summer intern.

Eric Waller walked through Graduation. Congratulations.

Visitors

Michael Schaepman from the University of Zurich visited and gave an interesting seminar on 3D reconstruction and validation of forests systems. Prof. Schaepman and his team are using LIDAR to build virtual forests from the shoot to landscape scales.

April
Meetings

ddb attended International Symposium on Evapotranspiration: Challenges in Measurement and Modeling from Leaf to the Landscape Scale and Beyond, in Rayleigh, NC and gave a Keynote lecture on Evaluating Evaporation Everywhere, All of the Time: Lessons Learned about Ecosystem Evaporation from Long Term Global Flux networks

Exploring Methane and Carbon Dioxide Exchange from Agricultural and Wetland Land Use in the Sacramento-San Joaquin Delta. Delta Stewardship Council Brown Bag Seminar, April 29, 2014, Sacramento, CA

http://deltacouncil.ca.gov/sites/default/files/documents/files/Baldocchi-BB-GHG-Flux-4-29-14.pdf

Proposals

DOE informed us that they are recommending that the FLUXNET proposal to the ROSES competition on Connecting AmeriFlux to the Globe, Extending the Partnership with the Global Flux Network, FLUXNET will be funded.

Publications

Baldocchi, D. (2014), Biogeochemistry: Managing land and climate, Nature Clim. Change, 4(5), 330-331.

http://www.nature.com/nclimate/journal/v4/n5/full/nclimate2221.html

Winter Fog is Decreasing in the Fruit Growing Region of the Central Valley of California" (2014GL060018R) by D.D. Baldocchi and E. Waller is accepted for publication in Geophysical Research Letters

http://onlinelibrary.wiley.com/doi/10.1002/2014GL060018/abstract

Measuring Fluxes of Trace Gases and Energy between Ecosystems and the Atmosphere—the State and Future of the Eddy Covariance Method" submitted to Global Change Biology

 

Visitors

Tom O'Halloran from Sweet Briar College visited and discussed using fluxnet data to assess the role of diffuse light on carbon fluxes

We hosted Andrew Oliphant and his Bioclimatology class at San Francisco State on a tour of the Delta Field sites

sfstate_tour_2014.jpg

March
Other

A guide on how to write better papers for JGR Biogeosciences has been posted on the publication web site.  Please refer to

http://publications.agu.org/author-resource-center/author-guide/jg/

Publications

Monson, R and Baldocchi, D. 2014. Terrestrial Biosphere-Atmosphere Fluxes. Cambridge University Press

www.cambridge.org/9781107040656

Monson_and_Baldocchi_Terrestrial_Biosphere-Atmosphere_Fluxes_Cover.jpg

Vila-Guerau de Arellano, Jordi, Ouwersloot, H. G.,Baldocchi, D.D, Jacobs, C. 2014. Shallow cumulus rooted in photosynthesis. Geophysical Research Letters. Doi:10.1002/2014GL059279

http://onlinelibrary.wiley.com/doi/10.1002/2014GL059279

 

Oikawa, P.Y. ,D. A. Grantz, A. Chatterjee, J. E. Eberwein, L. A. Allsman and G. D. Jenerette. Unifying soil respiration pulses, inhibition, and temperature hysteresis through dynamics of labile soil carbon and O2 J ournal of Geophysical Research, Biogeosciences, DOI: 10.1002/2013JG002434

Visitors

Trevor Keenan, from Maquarie University in Australia visited the Biomet Lab, before his interview at Cal for the Ecoinformatics position

Alan Robock, from Rutgers, visited before his BASC seminar on Climate and Regional Nuclear war. We discussed roles of volcanos on diffuse light, carbon cycle and climate, geoengineering and soil moisture networks. We had the treat of having lunch with Alan, and with Daniel Ellsberg of the Pentagon Papers fame.

Rodrigo Vargas, former postdoc and now asst prof at Delaware, visited with his new son, Diego, and spouse, Angie

Liukang Xu, former postdoc and now research scientist at LICOR, visited with his colleague Jason. We discussed instrumentation and flux measurements

February
Meetings

Sturtevant, Ma, Verfaillie and Baldocchi attended the AmeriFlux Data Manager's Workshop at Lawrence Berkeley National Lab. It was a great opportunity to meet other collaborators across the network and to update our site metadata and stand information

Martin Beland and Dennis Baldocchi attended the International Conference on Global Vegetation Monitoring and Modeling in Avignon. Martin presented a poster on Foliage clumping and the role of Terrestrial LIDAR in its characterization.

DDB chaired the session on Site Measurements, Scaling, modelign and remote sensing.

Former Biometter, Youngryel Ryu, gave a keynote lecture on his work

youngryel_ddb_martin_avignon.jpg

Publications

Beland, M., J. L. Widlowski, and R. A. Fournier (2014), A model for deriving voxel-level tree leaf area density estimates from ground-based LiDAR, Environmental Modelling & Software, 51, 184-189.

Vila-Guerau de Arellano, Jordi, Ouwersloot, H. G., Baldocchi, D.D, Jacobs, C. 2014. Shallow cumulus rooted in photosynthesis. Geophysical Research Letters in press

http://onlinelibrary.wiley.com/doi/10.1002/2014GL059279/abstract

Jaclyn Hatala MatthesCove Sturtevant, Joseph Verfaillie, Sara Knox, and Dennis Baldocchi. Parsing variability in CH4 fluxes at a spatially heterogeneous wetland: Integrating multiple eddy covariance towers with high-resolution flux footprint analysis.  submitted to Journal of Geophysical Research, Biogeosciences

Staff News

Martin Beland accepted a faculty position at the University of Laval in Canada. He will start his position in the fall. Congratulations

January
Publications

‘Winter Fog is Decreasing in the Fruit Growing Region of the Central Valley of California submitted to Geophysical Research Letters, by D. Baldocchi and Eric Waller

On linking plant and ecosystem functional biogeography by M Reichstein, M Bahn, MD Mahecha, J Kattge and DD Baldocchi, Proceedings of the National Academy of Science, in press

 

Staff News

Laurie Koteen has moved on to being Ecological Science Academic Coordinator at the UC Agricultural and Natural Resources unit. She will be involved with managing a network of flux towers being installed at a suite of the agricultural experiment stations across the state. 

 

 

         
    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.