ChEAS and Desai lab Flux Data
The Chequamegon Ecosystem-Atmosphere Study (ChEAS ) is a research cooperative that seeks to understand carbon and water cycles of terrestrial ecosystems at regional scales, using the Northwoods of Wisconsin as our study region. New projects have also focused on central and southern Wisconsin ecosystems. This page provides links to existing repositories and metadata of ChEAS flux tower sites. Please let me know of dead links.
Current site PI and contact for all data usage: Ankur Desai +1-608-218-4208
Ameriflux home: http://ameriflux.lbl.gov/
Penn State project site: http://cheas.psu.edu
All data are publicly accessible and open for use in research, but I request (but do not require) that you contact me prior to presentation or publication and acknowledge funding and site publication. Please acknowledge funding and cite the primary citation for each tower site you use. Please also be sure to be familiar with the Ameriflux fair-use policy
Primary funding support (please acknowledge when using data):
Department of Energy Office of Science, Ameriflux Network Management Project Support for UW ChEAS Cluster (US-Los,US-PFa,US-WCr,US-Syv, 2012-present)
Wisconsin Dept of Natural Resources and Wisconsin Potato and Vegetable Growers Association Water Task Force (US-CS1 and US-CS2)
NSF North Temperate Lakes LTER #DEB-1440297 and #DEB-0822700 and NSF AGS Postdoctoral Fellowship (US-Men and US-Pnp)
Other sources of funding:
National Science Foundation, Biology Directorate, DEB-0845166 (US-PFa,US-Los 2008-2014) and ABI-1062204 (2011-2015) and ABI-1457897 (2015-2019) (modeling)
Wisconsin Focus on Energy, EERD #10-06 (US-WCr 2009-2011)
USDA North Central Research Station (US-WCr 2009-2010)
Department of Energy, NICCR Midwest, 050516Z19 (US-Los 2007-2010)
Department of Energy, Terrestrial Carbon Processes (US-Syv 2001-2006)
NASA Carbon Cycle (Roving towers, WLEF biometry 2000-2004)
Grafana Realtime Dashboard: http://co2.aos.wisc.edu/grafana/
US-WCr: Willow Creek Mature Northern Hardwood Forest (1998-2006, 2010-)
Latitude: 45.8060 Longitude: -90.0798 Elevation: 515m PFT: Deciduous broadleaf forest
Site publication: Cook, B.D., Davis, K.J., Wang, W., Desai, A.R., Berger, B.W., Teclaw, R.M., Martin, J.G., Bolstad, P.V., Bakwin, P.S., Yi, C., and Heilman, W., 2004. Carbon exchange and venting anomalies in an upland deciduous forest in northern Wisconsin, USA. Agricultural and Forest Meteorology, 126(3-4): 271-295, doi:10.1016/j.agrformet.2004.06.008.
DOI: Desai, A.R., 2018. AmeriFlux US-WCr Willow Creek, doi:10.17190/AMF/1246111
Phenology web camera (installed April 2012): http://phenocam.sr.unh.edu/webcam/sites/willowcreek/
US Forest Service Climate Tower Network high-precision temperature sensor (top of tower): http://www.nrs.fs.fed.us/data/climate-tower/
Flux and Met data: PI, Ameriflux Fluxnet2015
Recent raw data quicklooks: 10 Hz and 1 s tower top 3 min and 10 min profiles
US-Syv: Sylvania Old-Growth Northern Hardwood-Hemlock Forest (2001-2008, 2012-)
Latitude: 46.2420 Longitude: -89.3476 Elevation: 540m PFT: Mixed forest
Site publication: Desai, A.R., Bolstad, P.V., Cook, B.D., Davis, K.J., and Carey, E.V., 2005. Comparing net ecosystem exchange of carbon dioxide between an old-growth and mature forest in the upper Midwest, USA. Agricultural and Forest Meteorology 128(1-2): 33-55, doi:10.1016/j.agrformet.2004.09.005.
DOI: Desai, A.R., 2018. AmeriFlux US-Syv Sylvania Wilderness Area, doi:10.17190/AMF/1246106
Phenology web camera: http://phenocam.sr.unh.edu/webcam/sites/sylvania/
Flux and Met data: PI, Ameriflux Fluxnet2015
US-Los: Lost Creek Shrub Fen Wetland (2000-2010, 2013-)
Latitude: 46.0827 Longitude: -89.9792 Elevation: 480m PFT: Wetland (shrub)
Site Publication: Sulman, B.N., Desai, A.R., Cook, B.D., Saliendra, N., and Mackay, D.S., 2009. Contrasting carbon dioxide fluxes between a drying shrub wetland in Northern Wisconsin, USA, and nearby forests. Biogeosciences, 6: 1115-1126, doi:10.5194/bg-6-1115-2009.
DOI: Desai, A.R., 2018. AmeriFlux US-Los Lost Creek, doi:10.17190/AMF/1246071
Phenology web camera (installed July 2015): http://phenocam.sr.unh.edu/webcam/sites/lostcreek/
Flux and met data: PI, Ameriflux Fluxnet2015
Raw 10 Hz and 1 minute observations, Recent raw data quicklook
US-PFa: WLEF / Park Falls Very Tall Tower (1995-)
Latitude: 45.9459 Longitude: -90.2723 Elevation: 470m PFT: Mixed forest/wetland
Site publication: Davis, K.J., Bakwin, P.S., Yi, C., Berger, B.W., Zhao, C., Teclaw, R., and Isebrands, J.G., 2003. The annual cycles of CO2 and H2O exchange over a northern mixed forest as observed from a very tall tower, Global Change Biology, 9, 1278-1293. (link)
DOI: Desai, A.R., 2018. AmeriFlux US-PFa Park Falls/WLEF, doi:10.17190/AMF/1246090
Flux computation methodology: Berger, B.W., Davis, K.J., and Yi, C., 2001. Long-Term Carbon Dioxide Fluxes from a Very Tall Tower in a Northern Forest: Flux Measurement Methodology, J. Atmos. Ocean. Tech, 18, 529-542.
Site publication for post-2006 data: Desai, A.R., 2014. Influence and predictive capacity of climate anomalies on daily to decadal extremes in canopy photosynthesis. Photosynthesis Research, 119, 31-47, doi:10.1007/s11120-013-9925-z.
Site publication for methane flux data: Desai, A.R., Xu, K., Tian H., Weishampel, P., Thom, J., Baumann, D., Andrews, A.E., Cook, B.D., King, J.Y., and Kolka, R., 2015. Landscape-level terrestrial methane flux observed from a very tall tower. Agricultural and Forest Meteorology, 201, 61-75, doi:10.1016/j.agrformet.2014.10.017.
Site publication for greenhouse gas profiles: Andrews, A.E., Kofler, J.D., Trudeau, M.E., Williams, Neff, D.H., Masarie, K.A., Chao, D.Y., Kitzis, D.R., Novelli, P.C., Zhao, C.L., Dlugokencky, E.J., Lang, P.M., Crotwell, M.J., Fischer, M.L., Parker, M.J., Lee, J.T., Baumann, D.D., Desai, A.R., Stanier, C.O., de Wekker, S.F.J., Wolfe, D.E., Munger, J.W., and Tans, P.P., 2014. CO2, CO, and CH4 measurements from tall towers in the NOAA Earth System Research Laboratory's Global Greenhouse Gas Reference Network: instrumentation, uncertainty analysis, and recommendations for future high-accuracy greenhouse gas monitoring efforts. Atmos. Meas. Tech., 7, 647-687, doi:10.5194/amt-7-647-2014.
Flux and met data: PI, Ameriflux Fluxnet2015
WLEF balloon soundings - ISS, parachute profiles, radar profiles, PBL depth, ceilometer cloud base
NOAA tall tower flask and continuous greenhouse gas concentrations
Total column greenhouse gases: TCCON
US-Men: Lake Mendota CFL Shoreline Tower (2012-2018)
Latitude: 43.07725 Longitude: -89.402984 Elevation: 260m PFT: Water
Site publication: Reed, D.R., Dugan, H., Flannery, A., and Desai, A.R., 2018. Carbon sink and source dynamics of a eutrophic deep lake using multiple flux observations over multiple years Limnology and Oceanography Letters, 3, 285-292, doi:10.1002/lol2.10075
DOI: Desai, A.R., 2018. AmeriFlux Lake Mendota, Center for Limnology Site US-Men, doi:10.17190/AMF/1433375
US-Pnp: Lake Mendota Picnic Point Peninsula Tower (2016-)
Latitude: 43.0896 Longitude: -89.415827 Elevation: 260m PFT: Water
Site publication: Reed, D.R., Dugan, H., Flannery, A., and Desai, A.R., 2018. Carbon sink and source dynamics of a eutrophic deep lake using multiple flux observations over multiple years Limnology and Oceanography Letters, 3, 285-292, doi:10.1002/lol2.10075
DOI: Desai, A.R., 2018. AmeriFlux Lake Mendota, Picnic Point Site US-Pnp, doi:10.17190/AMF/1433376
US-CS1, CS2, CS3: Central Sands Irrigated Agricultural Field and Pine Forest (2018-)
US-CS1 (potato): Latitude: 44.103051 Longitude: -89.537855 Elevation: 328m PFT: Crop (Potato in 2018)
US-CS2 (pine): Latitude: 44.14664, Longitude: -89.50020, Elevation: 337m PFT: ENF (Red pine)
US-CS3 (potato): Latitude: 44.1394, Longitude: 89.5727 (Potato in 2019)
US-ALQ: Allequash Creek wetland (2016-) USGS
Latitude: 46.030759, Longitude: -89.60673 PFT: Wetland
DOI: Olson, B. AmeriFlux US-ALQ Allequash Creek Site, doi:10.17190/AMF/1480323
New Sites
US-DFR: Dairy Forage Research Center dairy farm (2017-)
US-Kza: Dairy Forage Kernza (2018)
CHEESEHEAD19 towers (US-PFb through US-PFt) (Jun-Oct 2019), Map link Data repository
Shorter-term campaigns
Wetland roving towers South Fork, Wilson Flowage (2005-2007) ChEAS Saliendra_version Filled_NEE Chamber CH4
Clearcut roving towers Riley Creek, Thunder Creek (2005-2007) ChEAS Filled_NEE
Multi-site synthesis (2002-2003 summer flux data from 13 sites, data used in Desai et al., 2008 AgForMet )
Meteorology data
Gap-filled met input for Sipnet Model - ChEAS (Multi-site): hourly Half-daily 10yr-halfdaily
Spatial data
Land cover: Wiscland 30m Cutouts NLCD 92 Wiscland website Wetlands map
Soil (SSURGO texture maps)
AVIRIS flights: 2001 2002 2005 2009 2010 2011 2012 2014 2015