2 edition of Tree-ring hydrology of the Colorado River Basin found in the catalog.
Tree-ring hydrology of the Colorado River Basin
|Statement||by Edmund Schulman.|
|Series||University of Arizona bulletin ;, vol. 16, no. 4., Laboratory of Tree-Ring Research bulletin ;, no. 2, University of Arizona bulletin ;, vol. 16, no. 4., Laboratory of Tree-Ring Research bulletin ;, no. 2.|
|LC Classifications||QC925.1 .U6153|
|The Physical Object|
|Pagination||51 p. :|
|Number of Pages||51|
|LC Control Number||46027409|
But since , the Colorado River Basin has been locked in what experts say is a long-term drought exacerbated by climate change, the most severe drought in the last 1, years, tree ring data shows. Snowfall since has been sketchy — last year it was just two-thirds of normal, tied for its record low. Colorado River Basin alone, as discussed in Chap VIC has been used for at least a half dozen studies and is the basis for the major climate change hydrology datasets developed by a Reclamation-led consortium and.
1. Introduction  Improved understanding of the variability of runoff and streamflow in the upper Colorado River Basin (UCRB) on decadal and longer timescales is essential to regional water resources planning and management in the western United States. Well‐replicated networks of tree‐ring sites in the UCRB have yielded annual streamflow reconstructions back to the s [e.g. Basin Hydrology provides specialized surface water hydrology services with an emphasis on river mechanics, watershed processes and wetland restoration. Basin Hydrology was formed in by Mark Oliver, a surface water hydrologist, to provide a diverse client base with a variety of process-based hydrologic, hydraulic and restoration services.
Chapter 2. Current Understanding of Colorado River Basin Climate and Hydrology 46 Table Long-term (–) average water-year natural runoff, average water-year precipitation, and calculated runoff efficiency for sub-basins of the Colorado River. (Data: Runoff from Reclamation, after. Management of the Colorado River: Water Allocations, Drought, and the Federal Role Congressional Research Service 1 Introduction From its headwaters in Colorado and Wyoming to its terminus in the Gulf of California, the Colorado River Basin covers more than , square miles.1 The river runs through seven U.S. states (Wyoming.
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Tree-Ring Hydrology of the Colorado River Basin Paperback – January 1, See all formats and editions Hide other formats and editions PriceManufacturer: U of Arizona. Tree-Ring Hydrology of the Colorado River Basin; University of Arizona Bulletin Vol XVI, No.
4 Paperback – January 1, by Edmund Schulman (Author)Author: Edmund Schulman. University of Arizona Bulletin, Laboratory of Tree-ring Research Bulletin No.2 (,Tree-Ring Hydrology of the Colorado River Basin,No.4) Unknown Binding – January 1, See all formats and editions Hide other formats and editions.
Additional Physical Format: Online version: Schulman, Edmund, Tree-ring hydrology of the Colorado River Basin. Tucson, Ariz.: University of Arizona, © Tree-ring hydrology of the Colorado River Basin. 0 Reviews. From inside the book.
What people are saying - Write a review. We haven't found any reviews in the usual places. Other editions - View all. Tree-ring Hydrology of the Colorado River Basin Edmund Schulman Snippet view - Colorado River Basin Water Management assesses existing scientific information, including temperature and streamflow records, tree-ring based reconstructions, and climate model projections, and how it relates to Colorado River water supplies and demands, water management, and drought preparedness.
The book concludes that successful adjustments Format: Hardcover. TREE-RING PERSPECTIVE ON COLORADO RIVER BASIN DROUGHT hydrologic variability in the basin Calibrate regression model(s) based on correlation Recent Colorado tree-ring collections, part of greatly updated network to be applied in new UCRB reconstructions by Connie Woodhouse and others.
Expected completion winter Colorado River Basin Water Management assesses existing scientific information, including temperature and streamflow records, tree-ring based reconstructions, and climate model projections, and how it relates to Colorado River water supplies and demands, water management, and drought preparedness.
3 Climate and Hydrology of the Colorado. He expanded on this work for his Ph.D. dissertation (), and a monograph, "Tree-Ring Hydrology of the Colorado Basin", published by the University of Arizona in Schulman's analyses were limited by the lack of computers and less sophisticated statistical techniques at that time.
FILMS AND PHOTOS: The Colorado River in the Face of Climate Change, Eric Kuhn of Colorado River District and Aspen Global Change Institute Peter McBride Photography of Colorado River Basin Down the Colorado River, Slideshow, Peter McBride, Grist Magazine The Colorado River: Running Through Conflict by Peter McBride I Am Red by Peter McBride Delta Dawn: Paddling a River Run.
variability in the river basin over several centuries. The basin’s future hydrology thus may not be reasonably characterized based on the gaged record alone. Regional Climate Warming Points to Reductions in Water Supplies Temperature records across the Colorado River basin and the western United States document a warming trend over the past.
There has always been significant uncertainty associated with projecting future hydrology in the Colorado River Basin, as clearly illustrated by the high variability of inflow from year to year across more than a century over the historical observed record ( through present).
Decades of Colorado River Basin research along with recent hydrologic conditions suggest that this uncertainty is likely. The Colorado River is about 1, miles long, with headwaters in Colorado and Wyoming, and eventually flows across the international border into Mexico.
The drainage basin area of aboutsquare miles includes all of Arizona, and parts of California, Colorado, New. ‘Science Be Dammed’: Learning From History’s Mistake on the Colorado River.
A new book explains why policymakers nearly years ago chose to ignore the best science on the Colorado River’s flow — and the dangers if we repeat their mistake. Book Excerpts. Novem - by Eric Kuhn and John Fleck. Colorado River Basin Tree Ring Analysis.
General; which show the current state-of-knowledge and the progress in our understanding of the variability of climate and hydrology in the Colorado River Basin and the potential impacts of future climate change.
How do I use the site. with reconstructed tree-ring hydrology or climate change-informed hydrology. Introduction All long-term system planning studies in the Colorado River Basin use the observed historical streamflow record, naturalized as described in Chapter 5, in one way or another.
For several decades, the historical record. Tree-ring reconstructions for the Colorado River at Lee Ferry, Arizona, have consistently indicated that the modern gaged flow record is unrepresentative of the past few centuries both in the long-term mean annual flow and the severity of extended hydrologic droughts.
Information on past droughts can be considered most reliable for the past years, when tree-ring site coverage is relatively.
elevations of Colorado, Utah, and Wyoming. In the upper Colorado River basin, approximately 20 percent of the basin’s precipitation falls in the highest 10 percent of the basin, and roughly 40 percent of the basin’s precipitation falls in the highest 20 percent of the basin.
Bureau of Reclamation, Lower Colorado Region. Although there are several sources of uncertainty in CRSS/MTOM output (for example, representation and parameterization of physical process such as reservoir evaporation and future water use for entities throughout the Colorado River Basin) projections of future conditions (for example, future Lake Mead and Lake Powell elevations) are most.
Upper Colorado River Basin flow reconstructions History of Upper Basin streamflow reconstructions Edmund Schulman, one of the pioneers of tree-ring science, was the first to investigate the use of moisture-sensitive conifer tree rings to document past precipitation and streamflow in the Colorado River Basin (Figure ).
The first "modern" tree-ring reconstructions of streamflow in the Upper Colorado River Basin, while superseded by later work, is still a landmark in our understanding of the hydrologic history of the basin.
Observed (Post) Climate and Hydrology. Drivers of Drought in the Upper Colorado River Basin.Chapter 3: Colorado River Basin 1 Basin Setting. Today, nearly 40 million people.
2 in the seven Colorado River Basin states. 3. rely on the Colorado River and its tributaries for some, if not all, of their municipal water needs. These same sources irrigate nearly million acres of land (Reclamation.The two river basins that are the focus of this study are the Sacramento River Basin, California, and the Blue River Basin, Colorado ().These basins were selected for their strategic importance to water supply in the western United States and the availability of long-term (+years) tree-ring .