HR: 0800h
AN: SF41A-0768    [Abstracts]
TI: Making Water Chemistry Data From Volcano-Hydrothermal Systems Accessible Using Open Source Tools
AU: * Venezky, D Y
EM: dvenezky@usgs.gov
AF: U.S. Geological Survey, 345 Middlefield Road, MS 910, Menlo Park, CA 94025 United States
AU: Mariner, R H
EM: rmariner@usgs.gov
AF: U.S. Geological Survey, 345 Middlefield Road, MS 434, Menlo Park, CA 94025 United States
AU: Hurwitz, S
EM: shaulh@usgs.gov
AF: U.S. Geological Survey, 345 Middlefield Road, MS 439, Menlo Park, CA 94025 United States
AU: Evans, W C
EM: wcevans.usgs.gov
AF: U.S. Geological Survey, 345 Middlefield Road, MS 434, Menlo Park, CA 94025 United States
AB: Chemical and isotopic data collected over several decades by the U.S. Geological Survey from volcano-hydrothermal systems were recently organized into a web-accessible database for public use. The data were collected by members of the Barnes and/or Mariner projects and were supplemented with data from samples submitted for analysis by other researchers with similar interests. The data are primarily chemical and isotopic analyses of waters (thermal, mineral, or fresh) and associated gas (free and/or dissolved) collected from hot springs, mineral springs, cold springs, geothermal wells, fumaroles, and gas seeps. Additional data for a few streams, lakes, and oil wells are included. The web site follows a multi-stage design, first allowing for basic access to the MySQL database, then a user-friendly GIS (Geographic Information System) interface, and finally access to additional documentation and searching features. The initial web pages allow the user to choose the type of data (site, physical parameters, major and minor dissolved constituents, dissolved and free gas composition, water isotopes, and other isotopes) and the sample location. The data are then shown in a table that can be downloaded in several formats. The second stage of the project added an open-source GIS package called WorldKit, which gives easy-to-code and easy-to-use clickable icons on a base map using XML (Extensible Markup Language). WorldKit is also adding a zoom interface (zoomify) that uses new technology to reduce the display time. The final stage of the project involves more complex queries, alternative data presentation, and integrated background information. The more complex queries allow users to select multiple types of data from multiple sites. The data can be found at http://hotspringchem.wr.usgs.gov/.
UR: http://hotspringchem.wr.usgs.gov/
DE: 9820 Techniques applicable in three or more fields
DE: 1899 General or miscellaneous
DE: 1699 General or miscellaneous
SC: Special Focus: Advances in Data Acquisition, Management, Analysis and Display [SF]
MN: 2004 AGU Fall Meeting