TOPOGRAPHICALLY-ENHANCED QUARTERLY (CLIMATIC QUARTERS: DECEMBER-FEBRUARY, MARCH-MAY, JUNE-AUGUST, SEPTEMBER…

Public award description

TOPOGRAPHICALLY-ENHANCED QUARTERLY (CLIMATIC QUARTERS: DECEMBER-FEBRUARY, MARCH-MAY, JUNE-AUGUST, SEPTEMBER-NOVEMBER) AND ANNUAL (CLIMATIC YEAR: DECEMBER-NOVEMBER) ESTIMATES OF IONIC WET DEPOSITION AND PRECIPITATION FOR THE YEAR OF 2008. INCLUDES ESTIMATES OF SULFATE (SO42-), NITRATE (NO3-) AMMONIUM (NH4+), HYDROGEN ION (H+), CALCIUM (CA2+), MAGNESIUM (MG2+), POTASSIUM (K+), SODIUM (NA+), CHLORIDE (CL-), AND TOTAL INORGANIC NITROGEN (NO3-N + NH4-N) WET DEPOSITION AND ACCUMULATED PRECIPITATION. GRID FORMAT AT A RESOLUTION OF 300 ROWS AND= COLUMNS PER DEGREE (12-ARC SECONDS) FOR THE DOMAIN COVERING THE LAND AREAS OF THE UNITED STATES BETWEEN 98OW AND 67OW LONGITUDE AND BETWEEN 49ON AND 25ON LATITUDE. THE DATA SHALL BE DELIVERED IN A 32-BIT FLOATING POINT GEOTIFF FORMAT THAT IS READILY IMPORTABLE TO ESRI S ARC/INFO AND ARCVIEW GIS SOFTWARE. WET DEPOSITION ESTIMATES ARE TO BE IN UNITS OF KG/HA AND PRECIPITATION VOLUME ESTIMATES WILL BE EXPRESSED IN INCHES.