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REP09943
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REP09943
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Last modified
8/24/2016 11:39:26 PM
Creation date
11/27/2007 12:16:57 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1982057
IBM Index Class Name
Report
Doc Date
2/28/2003
Doc Name
2002 Annual Hydrology Letter & Report
From
Seneca Coal Company
To
DMG
Annual Report Year
2002
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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new (Paradox) computer name. The new computer name will be used <br />throughout the following text. <br />After their review of last year's Seneca II-W AHR, the CDMG made several <br />comments in a letter dated December 19, 2002. No response was required. <br />Meteorological Data <br />Precipitation data is collected from a Belfort Weighing Bucket Rain Gage <br />situated adjacent to Surface Water Site SW-S2W-FG1. Data for this year <br />may be found in Table 1. Total monthly precipitation data collected at <br />this site since Water Year 1990 are presented in Table 2. The Seneca II- <br />W precipitation gage measured 12.33 inches this year. This value is 5.33 <br />inches (301 less than the 1990-2002 average, and is the lowest on <br />record. Temperature, wind speed, and direction data from the Seneca II-W <br />Meteorologic Station are presented in Appendix B. <br />Data from the National Climatic Data Center's Hayden Station is used <br />here to evaluate the precipitation trend. For this year, 14.66 inches of <br />precipitation was measured, which was 2.18 inches (13~) less than the <br />1961-1990 average. Only November, February, Suly and August were above <br />average. Snowpack runoff, as estimated by totaling November through <br />Rpri1 precipitation values, was 8.40 inches, which was 0.01 inches <br />(0.1~) below the 1961-199D average. <br />Snowpack runoff, estimated using the Seneca II-W precipitation gage, was <br />6.50 inches (November-April total), which is 2.47 inches (28~) less than <br />the Seneca II-W 1990-2002 average. These values are more relevant than <br />the Hayden Station data when evaluating the spring runoff observed this <br />year at Seneca II-W. <br />Ground Water <br />Water Levels. Water levels for all .wells that are in the current <br />monitoring program are presented in Appendix C. Hydrographs of all <br />historic data for each well are presented prior to the water level <br /> <br />it <br />2 <br />
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