Site Index and Height Growth Curves for Managed, Even-aged Stands of White Or Grand Fir East of the Cascades in Oregon and Washington, Volumes 246-260Collin D. Bevins, Donald L. Reukema, John Neisess, Kenneth W. Seidel, M. A. Radwan, P. H. Cochran, Paul E. Aho, R. Dennis Harr, Richard E. Miller Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978 - Browse - 21 pages |
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... Peak Flow DISCUSSION Water Yield Peak Flow Relation to Mass Erosion SUMMARY • ACKNOWLEDGMENTS LITERATURE CITED 1 113 3 47 8 8 10 11 13 13 15 19 20 20 20 R. DENNIS HARR is Research Hydrologist with the Pacific Northwest Forest and Range ...
... Peak Flow DISCUSSION Water Yield Peak Flow Relation to Mass Erosion SUMMARY • ACKNOWLEDGMENTS LITERATURE CITED 1 113 3 47 8 8 10 11 13 13 15 19 20 20 20 R. DENNIS HARR is Research Hydrologist with the Pacific Northwest Forest and Range ...
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... peak flows were determined on three small , experimental watersheds following three silvicultural methods of timber ... flow appear related to the proportion of a watershed where soil had been compacted during logging and slash disposal .
... peak flows were determined on three small , experimental watersheds following three silvicultural methods of timber ... flow appear related to the proportion of a watershed where soil had been compacted during logging and slash disposal .
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... peak flows have also been related to timber harvest activities in western Oregon ( Rothacher 1973 , Harris 1973 , Harr et al . , 1975 ) . Changes in streamflow have been due to both reduced evapotranspiration which makes more water ...
... peak flows have also been related to timber harvest activities in western Oregon ( Rothacher 1973 , Harris 1973 , Harr et al . , 1975 ) . Changes in streamflow have been due to both reduced evapotranspiration which makes more water ...
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... peak flows after timber harvest . Annual and seasonal yields or flows are total volumes of flow computed for a water year or a season and are expressed as a uniform depth of water over a watershed . Peak flow is the maximum ...
... peak flows after timber harvest . Annual and seasonal yields or flows are total volumes of flow computed for a water year or a season and are expressed as a uniform depth of water over a watershed . Peak flow is the maximum ...
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... flow , seasonal flow , or peak flows -- are independent and random . We recognize , however , that independence may not always occur in this type of study . In the case of annual and seasonal yields , the significance of the difference ...
... flow , seasonal flow , or peak flows -- are independent and random . We recognize , however , that independence may not always occur in this type of study . In the case of annual and seasonal yields , the significance of the difference ...
Common terms and phrases
100 largest trees 50 percent atrazine average basal area Blue Mountains board-foot breast-high age calibration Cascade Range clearcuts conifer dead tops decay density diameter Douglas-fir equations estimated Forest and Range Forest Service fuel load fuel model grand fir height growth curves illus inches increases lodgepole pine logging mineral soil mixed conifer mountain hemlock National Forest natural regeneration NFDRS number of trees Oreg Oregon Pacific Northwest Pacific Northwest Forest partial cut peak flow percent of roadless planted ponderosa pine Portland postlogging programed harvest Range Exp Range Experiment Station reallocation regression road roadless area withdrawn sample seed seedlings Siskiyou National Forest slope spacing species Stocking percent streamflow study area study Forests subplots timber base timber harvest top-kill treatment period trees per acre tussock moth U.S. Department Umatilla Umatilla National Forest USDA values variables volume Washington watershed western white or grand Willamette National Forest