Laserfiche WebLink
<br />001974 <br /> <br />. Mancos near Towaoc, October 1943 to March 1951 with La Plata at Hesperus as key <br />station. <br />. McElmo at CO-UT Stateline, October 1928 to February 1951 with La Plata at <br />Hesperus as key station. <br />. San Iuan at Four Comers. October 1969 to September 1971 and December 1991 to <br />September 1992 with Shiprock and Mancos as the key stations. <br /> <br />2. Disaggregate missing monthly gage records into daily values: The monthly flows <br />extended for the above stations are disaggregated using the daily gauged flow of the <br />corresponding key stations. For Animas at Farmington, the extrapolated daily flows are <br />calculated as the daily fraction of the monthly flow ratio (extended station/key station). <br />For missing days in records of La Plata near Farmington, Mancos at Towaoc and <br />McElmo Creek at CQ-UT Stateline, the corresponding daily values from La Plata at <br />Hesperus were scaled by the total flow ratio (gauged station/key station) and inserted into <br />the record. <br /> <br />3. Lag and smooth daily flow records: The daily flows were lagged relative to Bluff (3 days <br />for Archuleta, 2 days for Farmington and La Plata, 1 day for Mancos and 0.5 day for <br />McElmo) and smoothed as a five-day centered running mean before calculating the daily <br />flow balance. <br /> <br />Table 2-7. Gages used in Daily Disaggregation. <br /> <br />Station Record <br />San Juan at Archuleta 1955-current , <br />San Juan near Blanco 1931-1954 <br />San Juan at Farminoton 1931-current <br />Animas at Duranoo 1929-current <br />Animas at Farminoton 1930-current <br />La Plata at Hesperus 1929-current <br />La Plata near Farminoton 1938-current <br />San Juan at Four Comers 1978-current <br />Mancos near Towaoc 1929-1944 1952-current <br />McElmo Creek near CO-UT Stateline 1951-current <br />San Juan near Bluff 1929-current <br /> <br />DRAFT - SJRIP Hydrology Model Documentation <br />June 18, 1999 <br /> <br />35 <br />