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  • Long-term monitoring of atmospheric deposition in central Arizona-Phoenix, ongoing since 1999
  • Grimm, Nancy; Arizona State University
  • Earl, Stevan; Information Manager; Julie Ann Wrigley Global Institute of Sustainability, CAPLTER
  • Anderson, James; Senior Sustainability Scientist, School for Engineering of Matter, Transport and Energy; Ira A. Fulton School of Engineering, Arizona State University
  • Fernando, H Joe; Professor; Arizona State University
  • Grossman-Clarke, Susanne; Assistant Research Professor; ASU Global Institute of Sustainability
  • Stefanov, William L.; Christensen & Ramsey/IGERT; Arizona State University
  • Hope, Diane; Field Project Manager, LTER, CES and Biology; Arizona State University
  • Zehnder, Joseph; Professor; Arizona State University
  • Hyde, Peter G
  • 2016-11-17
  • Grimm N., S. Earl, J. Anderson, H. J. Fernando, S. Grossman-Clarke, W. L. Stefanov, D. Hope, J. Zehnder, P. G. Hyde. 2016. Long-term monitoring of atmospheric deposition in central Arizona-Phoenix, ongoing since 1999. Environmental Data Initiative. Dataset accessed 1/23/2018.
  • The aims of this study are to examine the magnitude and spatial variability in the concentration and flux of wet deposited NO3-N, NH4-N, DOC, PO4-P, Cl, SO4, H+, Ca, Mg, Na, K across the Central Arizona-Phoenix region, including the developed urban core and outlying desert. Also to examine patterns of coarse dry particulate deposition across the study area and provide some minimum estimates on levels of dry deposition of these ions. Particularly, this study was designed to answer the question: 'To what extent are concentrations and fluxes of these ions enhanced at sites within the urban core relative to undeveloped desert sites upwind and downwind of the city'. At the outset, the project included eight wet-dry collectors located to form a transect running approximately W-E across the study area from outlying desert to the west, upwind of the prevailing synoptic wind direction, through agriculture to urban core sites, to two downwind sites in the desert to the east and northeast. Collectors were co-located at sites of Maricopa County or Arizona Department of Environmental Quality monitoring stations wherever possible. Monitoring at most sampling locations ran from 1999 through the mid-2000s when sampling was discontinued at several sites. Sampling continued at the Lost Dutchman State Park, also a Desert Fertilization experiment site with a focus on atmospheric deposition, through 2016. Sampling continues at a site on the Arizona State University Tempe campus that was added to the program in 2009.
  • N: 33.726193      S: 31.948995      E: -111.470845      W: -112.839492
  • Copyright Board of Regents, Arizona State University. This dataset is released to the public and may be used for academic, educational, or commercial purposes subject to the following restrictions: While CAP LTER will make every effort possible to control and document the quality of the data it publishes, the data are made available "as is". CAP LTER cannot assume responsibility for damages resulting from mis-use or mis-interpretation of datasets or from errors or omissions that may exist in the data. It is considered a matter of professional ethics to acknowledge the work of other scientists that has resulted in data used in subsequent research. CAP LTER expects that any use of data from this server will be accompanied with the appropriate citations and acknowledgments. CAP LTER encourages users to contact the original investigator responsible for the data that they are accessing. Where appropriate, researchers whose projects are integrally dependent on CAP LTER data are encouraged to consider collaboration and/or co-authorship with original investigators. CAP LTER requests that users submit to the Global Institute of Sustainability, ASU, one copy of any publication resulting from the use of data obtained from this site. CAP LTER requests that users not redistribute data obtained from this site. However, links or references to this site may be freely posted.
  • doi:10.6073/pasta/90b229d1c09f44909ddb8c6c5b4f427a
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