Laserfiche WebLink
<br />'. u(J~HQ <br /> <br />( <br />\ <br /> <br />Figure 8. Reconstructed periods of low now (combined) for Sacramento, Yuba, <br />Feather and American Rivers as indicated by the number of standard deviations <br />below the 1560-1980 mean. (Source: Eark and Frilts, 1986; Counesy California <br />Deparnnent of Water Resources). <br /> <br />Figure 9. Location of tree ring sites (dots) and weather stations used to reconstruct <br />drought history of southern California. (Source: MeKo, Stockton and Boggess, <br />1980; Counesy American Water Resources Association). <br /> <br />Figure 10. ReconstrUcted Palmer Drought Severity Index (July) for southern <br />California, A.D. 1700-1963). (Source: Meko, Stockton and Boggess, 1980; <br />Counesy American Water Resources Association). <br /> <br />( <br /> <br />Figure II. 5-year running means of Santa Barbara winter precipitation (dashed) and <br />Central Coast reconstructions (solid). (Source: Michaelsen, HJston and Davis, <br />1987; Courtesy American Water Resources AssociJtion). <br /> <br />Figure 12. Upper Colorado River Basin showing anual runoff (shaded) location <br />of cree ring sites (dots) and four major gaging stations (triangles). (Source: <br />StocKton and Boggess, 1980; Counesy American Water Resources Association). <br /> <br />Figure 13. Hydrograph of reconstructed flow of Colorado River at Lee Ferry, <br />Arizona Upper graph shows actual data Lower graph shows data after crearmenr <br />with a ten-year moving average fIlter. (Source: StocKton and Boggess, 1980; <br />Counesy American Water Resources Association). <br /> <br />Figure 14. Map showing location of West and Southwest regions and latirude- <br />longirude cells. Cells are referred to by column and row as marlced at top and right <br />of map (e.g., R7 in central California). Solid black sells have no suitable tree-ring <br />chronologies. <br /> <br />c <br /> <br />IV <br />