Physical and Chemical Characteristics of Headwater Streams at Caribou-Poker Creeks Research Watershed, Alaska PDF Download
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Author: Scott Robert Ray Publisher: ISBN: Category : Geochemistry Languages : en Pages : 344
Book Description
"This study attempts to ascertain the role of geologic and geomorphologic factors which influence the stream chemistry and hydrologic response of the headwater basins of Caribou Creek."--Leaf 1.
Author: Scott Robert Ray Publisher: ISBN: Category : Geochemistry Languages : en Pages : 344
Book Description
"This study attempts to ascertain the role of geologic and geomorphologic factors which influence the stream chemistry and hydrologic response of the headwater basins of Caribou Creek."--Leaf 1.
Author: Jerry W. Hilgert Publisher: ISBN: Category : Stream measurements Languages : en Pages : 36
Book Description
Report presenting baseline data from 1979 (Alaska, Caribou-Poker Creeks research watershed) on precipitation, streamflow, occurrence of permafrost, and physical and chemical water quality in the subarctic, tiaga watershed.
Author: Jerry W. Hilgert Publisher: Forgotten Books ISBN: 9780428652401 Category : Business & Economics Languages : en Pages : 42
Book Description
Excerpt from Water Quality and Streamflow in the Caribou-Poker Creeks Research Watershed, Central Alaska, 1979 Baseline data from 1979 are presented on precipitation, streamflow, occurrence of permafrost, and physical and chemical water quality in a subarctic, tiaga watershed. First to third-order streams drain catchments embracing permafrost-underlain and permafrost-free landscapes in the undisturbed research watershed. The data are compared to those from a fourth-order stream impacted by placer mining; streams in the research watershed drain into the fourth-order stream slightly beyond the watershed border. These and subsequent baseline data sets will be used to compare natural conditions in undisturbed streams of the subarctic to conditions in streams impacted by resource management activities and to evaluate the impacts of such activities on stream ecosystems. Keyword: Baseline data, water quality, streamflow, subarctic environment, Alaska (caribou-poker Creeks research watershed). About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Publisher: ISBN: Category : Caribou Creek Watershed (Alaska) Languages : en Pages : 22
Book Description
Soils of the 41.5 sq miles Caribou-Poker Creeks Research Watershed, central Alaska, have been mapped by standard Soil Conservation Service (USDA) methods. Seven soil series are recognized: Bradway silt loams, Ester silt loams, Karshner silt loams and Saulich silt loams, all underlain by permafrost at shallow depth, make up 27% of the basin area. Olnes silt loams, Gilmore silt loams and Fairplay silt loams, covering 73% of the watershed area, are free from permafrost. Areal distribution of soils is depicted on a photo-mosaic base at 1:31, 680 scale. (Author).
Author: F. Stuart Chapin Publisher: Oxford University Press ISBN: 019028854X Category : Science Languages : en Pages : 368
Book Description
The boreal forest is the northern-most woodland biome, whose natural history is rooted in the influence of low temperature and high-latitude. Alaska's boreal forest is now warming as rapidly as the rest of Earth, providing an unprecedented look at how this cold-adapted, fire-prone forest adjusts to change. This volume synthesizes current understanding of the ecology of Alaska's boreal forests and describes their unique features in the context of circumpolar and global patterns. It tells how fire and climate contributed to the biome's current dynamics. As climate warms and permafrost (permanently frozen ground) thaws, the boreal forest may be on the cusp of a major change in state. The editors have gathered a remarkable set of contributors to discuss this swift environmental and biotic transformation. Their chapters cover the properties of the forest, the changes it is undergoing, and the challenges these alterations present to boreal forest managers. In the first section, the reader can absorb the geographic and historical context for understanding the boreal forest. The book then delves into the dynamics of plant and animal communities inhabiting this forest, and the biogeochemical processes that link these organisms. In the last section the authors explore landscape phenomena that operate at larger temporal and spatial scales and integrates the processes described in earlier sections. Much of the research on which this book is based results from the Bonanza Creek Long-Term Ecological Research Program. Here is a synthesis of the substantial literature on Alaska's boreal forest that should be accessible to professional ecologists, students, and the interested public.
Author: Scott Robert Ray
Author: Scott Robert Ray
Author: Scott Robert Ray
Author: Jerry W. Hilgert
Author: Jerry W. Hilgert
Author: Jerry W. Hilgert
Author: William M. Jinkinson
Author: 
Author: Jerry W. Hilgert
Author: 
Author: F. Stuart Chapin