LTER Site Byte
LTER Site: Konza Prairie LTER (KNZ)
Contributor: Jincheng Gao (Aug 01, 2007)
Site Byte:
1. Annual Site Byte
The main focus of Konza IM activities this past year have been the QA/QC checking of our datasets and metadata, updating of GIS coverages and spatial metadata, and web site design. We generated window-based interfaces to convert text file data into a format for uploading into our SQL Server database and to perform initial QA/QC checking based on data ranges within specified minimum and maximum values. We also updated the historical Konza Prairie climate data and reharvested into CLIMDB to effectively recover missing data. We also performed a quality check for our metadata database in the SQL Server, which is dynamically connected with our web site. The geospatial datasets were updated and checked for accuracy with GPS unit. Spatial metadata were updated and were converted into EML. The Konza geospatial data were stored in shapefiles and arcinfo files, and as well as in a spatial feature format which is managed with ArcSDE and SQL Server. A spatial database of Konza LTER research activities (locations of plots, sampling transects, experimental infrastructure) was generated and added to interactive web sites managed with ArcIMS v9.2. The new Konza LTER web site was redesigned, and more functions which are dynamically connected to the metadata database were added.
In the past year, we also updated our IM hardware systems to support better data service. We expanded the capabilities of our database server and added one more SQL Server instance to accommodate the large volume of GIS data and images associated with the development of several new databases. We also replaced our old web server, which served us more than 9 years, with a new server with faster speed and more storage space. The new server has an Intel CPU of 3.0 GHZ and a 3.0 GHz and 2.0 GB RAM. Our new server will support our expanding datasets and the increased demands of our new GIS server.
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2. Planned IM Projects
a. Continue with QA/QC checking of our LTER datasets and metadata, and add spatial attributes and methodology in EML metadata based on EML Best Practices.
b. Improve our dynamic web sites with integration of our metadata database in order to make our web site more flexible and more convenient for users.
c. Create GIS services to manage Konza geospatial data and the geospatial data of several related projects, and harvest spatial EML in Metacat.
d. Work with Konza LTER PIs as we prepare for our next LTER renewal proposal.
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