WSP00601 - Laserfiche WebLink

Home Browse Search

N tv ~".... N CONTENTS Abstract".. u....... u..u. ...... ... u.. u.. ............... ..u............. .uu........... .......... u .uu............u .u.uuu..... u......u. .uuu.. u.. u......... u....... u. I Introducti.on ..........u. u.... ... ..... u..... ............ .u.. ........... .u. u........ .u........... .................u ................... ... ..uu.Uuu.... .u.... u........... ... 2 Purp.ose and sc.ope... .,. ..... u......... ... ...u.. u......... ..u......... .u.......... .u...u..........u ...uu....................u u..uu.. u..u. u.............. 5 Descripti.on .of salinity-c.ontr.ol projects .u.u............. ..uu........... ........... .uuu.......... .uuu. ..u................. .uu.u. u.. ....... uu u.......... 5 Grand Valley Unit .. .u. .....u......... ... ....u............ u............ ............. uuu......... .uuu................ u .uuu.u........ u..................... 5 L.ower Gunnis.on Basin Unit...... .u.u............. ..u.......... .u.u...... .u............... .uuu u............. .u. .u. uu...u u.. uu................... 6 Meeker D.ome Unit..... .................u .u............. ............... u......... .uu............ .....uu.............. ......u u.....u .... uu................... 6 Diss.olved-s.olids l.oads in th~ C.ol.orad.o and Gunnis.on Rivcrsu...............uuuu......u.u.uu...uu.uu..u..uuu..u..u........uu.u...... 7 Meth.od .of c.omputati,;m...............u... u........... ..u........... .uu u.... .................. .u.u................ ..... ... .u.uu. u.. u... u. u............. 7 Annual diss.olved-s.olids l.oads.... .... .u.............. ........... u ............ ................. .uuu............ u.. u..... .uuu.. u.. u..u..... ............ 8 Meth.ods .of trend analysis .... u.. .............u ....... u......... uu......... .u......... ........u........ .uu.u............. .u.. ..uuuu.. u.. .u.u.......... u.. u. 10 M.on.ot.onic trend analysis using the seas.onal Kendall test...uuu..uuuuu..uu.......u....uu.........u.uu.uuuuu.uuu..u.uu... 10 Monotonic trend analysis using linear regression....................................................................................................... 12 Step-trend analysis u... ....... .u.............. .u.......... u .u........... .u........ u .u.u........... .uuu....................... u. .u. .uuu. uu. u.......... 13 Trend analysis f.or the C.ol.otad.o and Gunnis.on Rivers .............u....uuu.uuu...uu..u...uu.u...uuu.uu.uuu.uuuuuuu.....uu....... 13 Trends in diss.ol ved-solids c.oncentrati.ons.......... .u. u....... u............. .u............... .uu.. u..................... uu .u.u.uu.. ............ 14 Trends in diss.ol ved-splids l.oads .......... .uu........... ...u........ .uu........ ....uu........u ..U.U.U. u................. ..... .u...uu u.u......... 16 M.onthly diss.olved-s.olids l.oads... ...u. u....... .u.. ........ u.u............ ....u........ ..uu... ......................u..... ... ..u ... uu....... 17 Annual diss.olved-s.olids l.oads..... .u............ .uu...... u.. .u............ .uu........... U .u. .u..................... u.... ... .u. .uuu u..... 18 Seas.onal diss.olved-s.olids l.oads .. .u....u...... .u........... ..u............. ...u. u......... .... .u.................................. u. uu..uu. 18 Grand Valley dlss.olved-s.olids l.oad .uu...... .uuu......... ...uu U u...... .................u. uu............ u...................... .... u..... 20 Trends in selected major-ion concentrations.......... ... .......... ............... ..................... ....... ...... ............................... ........ 21 Relation of trend results for the Colorado and Gunnison Rivers to the salinity-control projects............................... 29 Trend analysis f.or the White River ..u........u.......u.............u............u..uu......uuu...............uu.u......u..u..........u............u.u.. 31 Summary u u.. uu. u.. u..................... ..uuu............ .uuu......... ...u...... u..u........... uu.u........... u. .uu..uuuuu. ........................... .u.... 36 References cited. u........................ ..u uu.............u ..u........ .....u.. u... ....uu....... .uu................. u.....uu. u... u...... u............. u.. .u.... 37 FIGURES l. Map sh.owing l.ocati.on.of the Grand Valley, thc Gunnis.on River Basin, and selected gaging stati.ons.u.....u.u.... 3 2. Map sh.owing locati.on.of the White River Basin and selected gaging stati.ons in the vicinity.of Meeker D.ome ........u......... u.. .U... u............ .......... .uuuu...... ..... u.. u..... .uu....u u u.......... ....u .... uu.. .... ....... u.............. 4 3-12. Graphs sh.owing: 3. Annual menn stream discharge f.or gaging stati.ons 09095500 C.ol.orad.o River near Came.o, 09152500 Gunnis.on River near Grand Juncti.on, and 09163500 C.olorad.o River near the C.ol.orad.o-Utah State line, water years 1970-93 ..u....uuuu..uuuu.u.uu....u..uu.u.uu..uuuuuuuu.u..u.Uu.uu lO 4. LOWESS Sm.o.oth curves .of f1.ow-adjusted diss.olved-s.olids c.oncentrati.ons f.or stati.ons 09095500 C.ol.orad.o River near Came.o, 09152500 Gunnis.on River near Grand Juncti.on, and 09163500 C.ol.orad.o River near the C.ol.orad.o-Utah State line, water years 1970-93 .u...u......u.uuuuuu.u...uu.uuu.u 16 5. LOWESS ~m.o.oth curves.of f1.ow-adjusted diss.olved-s.olids c.oncentrati.ons f.or stati.ons 09095500 C.ol.orad.o River near Came.o, 09152500 Gunnis.on River near Grand Juncti.on, and 09163500 C.ol.orad.o River near the C.ol.orad.o-Utah State line, water years 1980-93 .....uu.......uu.uu.u...u.uu........... 17 6. LOWESS sm.o.oth curves .of unadjusted m.onthly diss.olved-s.olids l.oads and f1.ow-adjusted m.onthly diss.olved-solids l.oads f.or stati.ons 09095500 Col.orado River near Cameo, 09152500 Gunnis.on River near Grand Junction, and 09163500 Colorad.o River near the Col.orado-Utah State line, water years 1970-93.......u.. u.......... ..... u.... .u.u........ U ..u. u......... .u.u.. u.................. .u. .uuuuuuuu.... uu ........ 19 CONTENTS III ,