2 edition of Occurrence and development of groundwater in permafrost regions found in the catalog.
Occurrence and development of groundwater in permafrost regions
by U.S. Geological Survey Circular 275
Written in English
|The Physical Object|
|Number of Pages||30|
Permafrost may be expected in regions where the mean annual temperature is below freezing and where the climate has the following charac– teristics: (1) long, cold . Permafrost and the Rationale for Monitoring Historical Perspective Permafrost is ground (soil or rock and included ice and organic material) that remains at or below 0 °C for at least two consecutive years. Permafrost terrain consists of an “active layer” at the surface that freezes and thaws each year, underlain by perennially frozen ground.
A more complete understanding of the influence of permafrost thaw on hillslope processes is an important component of predicting and mitigating the effects of increased landslide occurrence in permafrost regions. In addition, changing landslide regimes have several serious implications for both ecosystem processes and human by: 2. December Permafrost Alert. The U.S. Permafrost Association is pleased to announce the availability of an updated searchable database on permafrost-related publications. The American Geosciences Institute, with support from the National Science Foundation, has migrated the previous Cold Regions Bibliography to a new platform.
GAPHAZ Assessment of Glacier and Permafrost Hazards in Mountain Regions – Technical Guidance Document. Prepared by Allen, S., Frey, H., Huggel, C. et al. Standing Group on Glacier and Permafrost Hazards in Mountains (GAPHAZ) of the International Association of Cryospheric Sciences (IACS) and the International Permafrost Association (IPA).File Size: 2MB. EVALUATING GROUNDWATER IN A PERMAFROST WATERSHED USING SEASONAL GEOCHEMICAL AND ISOTOPE DISCHARGE TRENDS, OGILVIE RIVER, YUKON Natalia Baranova Thesis submitted to the Faculty of Graduate and Postdoctoral Studies in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE in Environmental and Earth Sciences.
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Additional Physical Format: Online version: Cederstrom, D. (Dagfin John), Occurrence and development of ground water in permafrost regions. Over the last 10 years, the development and use of coupled heat-transport and groundwater models have focused on the hydrogeology of permafrost, and on groundwater development and distribution in.
Groundwater between permafrost units is typical of the permafrost zone which has a two-layered structure, and the water is situated between the upper (Holocene or recent) and lower (Pleistocene or 'relict') cryogenic layers.
The waters under consideration usually have hydraulic connection with the other (supra- and subpermafrost) groundwater. 2 OCCURRENCE AND DEVELOPMENT OF GROUND WATER IN PERMAFROST REGIONS reached, this report recommends further drilling in permafrost areas to determine--(1) What additional modifications are neces sary on standard drilling equipment to be used in arctic by: 8.
Ground Water in Permafrost Regions An Annotated Bibliography With acceleration of development and population of the permafrost regions in the last 30 years, a gradual change has taken place from the ature on present knowledge of the occurrence of ground water in permafrost regions and on the principles based on this by: 5.
Hydrogeochemical characteristics of groundwater in permafrost regions depend on the same reactions as in nonpermafrost regions, but in acting as a confining layer, permafrost can affect. Continuing in its forty-year history of providing students and professionals with a thorough grounding in the science and technology of groundwater hydrology, this third edition has been completely updated to reflect the tremendous changes in the field.
A true essential reference, this book provides a unified presentation of groundwater hydrology, treating fundamental principles, methods and. Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF.
Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Abstract. This article is a report on features of the natural environment of the Huola River artesian water basin in Guilan District, Mohe County, in the Xin-an Region and the interrelationship of various factors of underground water under glacial : Lin Feng-Tong.
Abstract  Understanding the role of permafrost in controlling groundwater flow paths and fluxes is central in studies aimed at assessing potential climate change impacts on vegetation, species habitat, biogeochemical cycling, and biodiversity.
Recent field studies in interior Alaska show evidence of hydrologic changes hypothesized to result from permafrost degradation. Base Flow: Between storms and runoff events, stream flow is maintained by groundwater discharge known as base flow, as long as the water table remains above the stream bottom (Delleur, ).
Groundwater: Groundwater is the liquid water flowing through r, technically it includes soil moisture, permafrost, immobile water in very low permeability bedrock, and deep.
Permafrost conditions reflect a strong zonal bias characterized by decreasing mean annual air temperatures as a result of increasing latitude (Fig.
) or increasing limiting threshold for its occurrence is highly transient such that small changes in either the mean annual air and ground surface temperatures and surface conditions or soil properties can result in its.
Permafrost Architecture Though people do live in permafrost regions, such as Siberia, Canada, and Alaska, building on top of permafrost is difficult. Buildings raise the temperature of the ground beneath themwhich can melt permafrost and cause the building to sink in the mud. Coastal erosion reveals the extent of ice-rich permafrost underlying active layer on the Arctic Coastal Plain in the Teshekpuk Lake Special Area of the National Petroleum Reserve - Alaska.
Details. Image Dimensions: x Date Taken: Friday, July. Part or all of this report is presented in Portable Document Format (PDF). For best results viewing and printing PDF documents, it is recommended that you download the documents to your computer and open them with Adobe Reader.
An estimated 30 percent of global fresh water is groundwater, compared to percent that is surface water, percent atmospheric water, and 70 percent that exists as ice, including permafrost (Shiklomanov and Roddacited under Groundwater Occurrence).
Groundwater thus constitutes the vast majority—over 98 percent—of the unfrozen. The rates of subsea permafrost degradation and occurrence of gas-migration pathways are key factors controlling the East Siberian Arctic Shelf (ESAS) methane (CH4) emissions, yet Cited by: 1.
Introduction  Permafrost, defined as subsurface regions that contain perennially‐frozen water, exists extensively across high latitude regions and sporadically in high altitude regions, occupying approximately 24% exposed area of the northern hemisphere [Zhang et al., ] and less than 25% of the southern circumpolar region [Bockheim, ].Cited by: When permafrost thaws simply from the Sun's warmth, groundwater flows from the thawed soil into more permafrost, melting it, which releases more groundwater to thaw more permafrost.
Permafrost hydrology is a rapidly progressing research field, and a number of new discoveries and questions have emerged in recent years.
Research interest in cold regions has been spurred in part by surface temperature warming rates in high latitudes (McBean et al., ) and high altitudes (Pepin et al., ) that are greater than the global by:.
surface to the unfrozen material beneath permafrost allowing for recruitment of surface water into groundwater storage and loss of groundwater storage into surface water. In wintertime, base flow of rivers in permafrost watersheds, while reduced relative to non-permafrost watersheds, is maintained by water leaving groundwater storage [5,10,11].Cited by: The conditions and changes of Earth’s freshwater and permafrost systems affect people and ecosystems and are central in global change.
We study these conditions and their changes in order to better understand and quantify them and thereby contribute to knowledge and capacity advancement needed for sustainable development.Upland permafrost regions occupy approximately one third of the Arctic landscape.
In upland regions, hydrologic fluxes are influenced by water tracks, curvilinear features on hillslopes that preferentially fill with and route water in response to snowmelt and rainfall when the soil above continuous permafrost thaws in the summer.