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  • Long-term monitoring of wet, dry, and bulk atmospheric deposition in central Arizona-Phoenix, ongoing since 1999
  • Fernando, H; Arizona State University
    Ramsey, Michael; University of Pittsburgh
    Grossman-Clarke, Susanne; Potsdam Institute for Climate Impact Research (PIK)
    Hope, Diane; Arizona State University
    Hyde, Peter G; Arizona State University
    Stefanov, William; NASA Johnson Space Center
    Zehnder, Joseph; Creighton University
  • 2022-04-08
  • Fernando, H., M. Ramsey, S. Grossman-Clarke, D. Hope, P.G. Hyde, W. Stefanov, and J. Zehnder. 2022. Long-term monitoring of wet, dry, and bulk atmospheric deposition in central Arizona-Phoenix, ongoing since 1999 ver 13. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).

  • The aims of this study are to examine (1) the magnitude and spatial variability in the concentration and flux of wet deposited major ions (NO3-N, NH4-N, DOC, PO4-P, Cl, SO4, H+, Ca, Mg, Na, K) across the greater Phoenix metropolitan area, including the developed urban core and outlying desert, and (2) patterns of coarse dry particulate deposition across stated area and provide some minimum estimates on levels of dry deposition of these ions. This study was designed particularly 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 featured eight wet-dry collectors positioned spatially so as to form a transect running approximately west-to-east across the central Arizona region from outlying desert to the west, upwind of the prevailing synoptic wind direction, through agriculture to urban core sites, and, finally, to two downwind sites in the desert to the east and northeast. As much as possible, these collectors were co-located with Maricopa County or Arizona Department of Environmental Quality monitoring stations. 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.

  • Geographic Coordinates
    • N: 33.4107, S: 33.4107, E: -111.864, W: -111.864
    • N: 33.2859, S: 33.2859, E: -111.8174, W: -111.8174
    • N: 33.493, S: 33.493, E: -112.428, W: -112.428
    • N: 33.4625, S: 33.4625, E: -111.4788, W: -111.4788
    • N: 33.4196, S: 33.4196, E: -111.933, W: -111.933
    • N: 31.949, S: 31.949, E: -112.8008, W: -112.8008
    • N: 33.4019, S: 33.4019, E: -111.9351, W: -111.9351
    • N: 33.5037, S: 33.5037, E: -112.0951, W: -112.0951
    • N: 33.3491, S: 33.3491, E: -112.8318, W: -112.8318
    • N: 33.5603, S: 33.5603, E: -112.0656, W: -112.0656
    • N: 33.7261, S: 33.7261, E: -111.5129, W: -111.5129
  • knb-lter-cap.23.13  (Uploaded 2022-04-08)  
  • This data package is released to the "public domain" under Creative Commons CC0 1.0 "No Rights Reserved" (see: https://creativecommons.org/publicdomain/zero/1.0/). The consumer of these data ("Data User" herein) has an ethical obligation to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or coauthorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is". The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.
  • DOI PLACE HOLDER
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