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Articles 691 - 720 of 1754

Full-Text Articles in Geology

Prevailing Weather Conditions During Summer Seasons Around Gangotri Glacier, Pratap Singh, Umesh K. Haritashya, K. S. Ramasastri, Naresh Kumar Mar 2005

Prevailing Weather Conditions During Summer Seasons Around Gangotri Glacier, Pratap Singh, Umesh K. Haritashya, K. S. Ramasastri, Naresh Kumar

Department of Earth, Environment and Sustainability Faculty Publications

Meteorological data collected near the snout of the Gangotri Glacier suggest that the study area receives less rainfall. The average seasonal rainfall is observed to be about 260 mm. The rainfall distribution does not show any monsoon impact. Amount of seasonal rainfall is highly variable (131.4-368.8 mm) from year to year, but, in general, August had the maximum rainfall. A verage daily maximum and minimum temperatures were 14.7 and 4.1°C respectively, whereas average mean temperature was 9.4°C. July was recorded as the warmest month. During daytime, wind speed was four times higher than that at night-time. The average daytime and …


Geologic Framework And Groundwater Occurrence (Kimball County, Nebraska), Robert F. Diffendal Jr. Jan 2005

Geologic Framework And Groundwater Occurrence (Kimball County, Nebraska), Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

Geologic Framework

All of Kimball County is part of the Cheyenne Tablelands, a largely constructional part of the High Plains underlain primarily by sediments transported from the Rocky Mountains and deposited on the developing tablelands. Quaternary fluvial erosion cut away parts of the tablelands producing the valleys of Lodgepole Creek and its tributaries. The oldest rocks exposed in Kimball County belong to the upper part of the Brule Formation, youngest formation of the White River Group of rocks. The Brule Formation is Oligocene in age and was deposited from about 35 to 29 million years ago. The Brule Formation underlies …


Contaminant Concentrations And Biomarker Responses Of Fish From The Mobile, Apalachicola, Savannah, And Pee Dee River Basins, Jo Ellen Hinck, V. S. Blazer, N. D. Denslow, T. S. Gross, T. W. May, C. E. Orazio, J. J. Coyle, P. J. Anderson, D. E. Tillitt Jan 2005

Contaminant Concentrations And Biomarker Responses Of Fish From The Mobile, Apalachicola, Savannah, And Pee Dee River Basins, Jo Ellen Hinck, V. S. Blazer, N. D. Denslow, T. S. Gross, T. W. May, C. E. Orazio, J. J. Coyle, P. J. Anderson, D. E. Tillitt

United States Geological Survey: Publications

No abstract provided.


An Inventory Of Rangelands In Part Of The Broome Shire, Western Australia, W E. Cotching Jan 2005

An Inventory Of Rangelands In Part Of The Broome Shire, Western Australia, W E. Cotching

Technical Bulletins

The inventory of rangelands in part of the Broome Shire in Western Australia was undertaken by DAFWA between 1989 and 1990. It describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The survey of part of the Broome Shire …


Tapeworms Of Elasmobranchs (Part I) A Monograph On The Lecanicephalidea (Platyhelminthes, Cestoda), Kirsten Jensen Jan 2005

Tapeworms Of Elasmobranchs (Part I) A Monograph On The Lecanicephalidea (Platyhelminthes, Cestoda), Kirsten Jensen

Bulletin of the University of Nebraska State Museum (1924–2023)

This represents the first monographic and phylogenetic treatment of the order Lecanicephalidea. The main objective was to treat the Lecanicephalidea at the generic level, while providing information on morphology, taxonomic history, phylogenetic relationships, geographic distribution, and host associations of the group. Following an introduction to the morphology of the Lecanicephalidea, the phylogenetic placement of the group is addressed. This is followed by a review of the taxonomic history of the group and relationships within, including summaries of 29 previously used classification schemes. Despite the generic focus of this study, the taxonomic status of 137 previously recognized lecanicephalidean species was evaluated, …


Palaeogeography And Fluvial To Estuarine Architecture Of The Dakota Formation (Cretaceous, Alvian), Eastern Nebraska, Usa, Robert Matthew Joeckel, G. A. Ludvigson, B. J. Witzke, E. P. Kvale, P. L. Phillips, R. L. Brenner, S. G. Thomas, L. M. Howard Jan 2005

Palaeogeography And Fluvial To Estuarine Architecture Of The Dakota Formation (Cretaceous, Alvian), Eastern Nebraska, Usa, Robert Matthew Joeckel, G. A. Ludvigson, B. J. Witzke, E. P. Kvale, P. L. Phillips, R. L. Brenner, S. G. Thomas, L. M. Howard

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Transient Detection And Modeling Of Continuous Geodetic Data, Walter Michael Szeliga Jan 2005

Transient Detection And Modeling Of Continuous Geodetic Data, Walter Michael Szeliga

All Master's Theses

Transient surface deformation has been observed by continuously operating Global Positioning System stations in the Puget Sound area during the past decade. This surface deformation is associated with processes occurring on or near the subducting plate boundary between the Juan de Fuca and North American plates. This thesis is composed of two studies of transient deformation along the Cascadia plate margin and a discussion of the methodologies employed in these studies. We model one 7-week episode of transient deformation that occurred during 2003 beneath the Puget Sound area. Additionally, we utilize a combination of continuous Global Positioning System and seismic …


Registered Irrigation Wells In Nebraska August 2005, Conservation And Survey Division Jan 2005

Registered Irrigation Wells In Nebraska August 2005, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geogram 2004, David J. Keeling Editor, Wku Department Of Geography And Geology Oct 2004

Geogram 2004, David J. Keeling Editor, Wku Department Of Geography And Geology

Earth, Environmental, and Atmospheric Sciences Publications

No abstract provided.


Classifying Mollisol Soils Using Hyperspectral Remote Sensing Data, Adil M. Wadia Aug 2004

Classifying Mollisol Soils Using Hyperspectral Remote Sensing Data, Adil M. Wadia

All-Inclusive List of Electronic Theses and Dissertations

Soil classification is a complex task that involves several factors. Soil classifications that have been published usually need to be updated as soil series definitions and boundaries change over time. Most existing soil classification surveys in the United States, although often very good, lack the required accuracy for selected applications such as precision agriculture. 111 Hyperspectral remote sensing data, with its 100+ bands and very high spectral resolution can help facilitate soil classification detail not achieved through traditional remote sensing methods. The study area selected for research was Wolf Field, near Homer, Champaign County, Illinois, which is a very agriculturally …


Geologic Context Of Geodetic Data Across A Basin And Range Normal Fault, Crescent Valley, Nevada, A. M. Friedrich, Jeffrey Lee, B. P. Wernicke, K. Sieh Apr 2004

Geologic Context Of Geodetic Data Across A Basin And Range Normal Fault, Crescent Valley, Nevada, A. M. Friedrich, Jeffrey Lee, B. P. Wernicke, K. Sieh

All Faculty Scholarship for the College of the Sciences

Geodetic strain and late Quaternary faulting in the Basin and Range province is distributed over a region much wider than historic seismicity, which is localized near the margins of the province. In the relatively aseismic interior, both the magnitude and direction of geodetic strain may be inconsistent with the Holocene faulting record. We document the best example of such a disagreement across the NE striking, ∼55° NW dipping Crescent normal fault, where a NW oriented, 70 km geodetic baseline records contemporary shortening of ∼2 mm/yr orthogonal to the fault trace. In contrast, our geomorphic, paleoseismic, and geochronologic analyses of the …


Keith County Test-Hole Logs: Nebraska Water Survey Test-Hole Report No. 51, Robert F. Diffendal Jr., James W. Goeke Apr 2004

Keith County Test-Hole Logs: Nebraska Water Survey Test-Hole Report No. 51, Robert F. Diffendal Jr., James W. Goeke

Robert F. Diffendal, Jr., Publications

In 1930, the Conservation and Survey Division (CSD) of the University of Nebraska and the U.S. Geological Survey began a program of cooperative groundwater studies in Nebraska. Since then test drilling by use of rotary drilling equipment has been an integral part of that program. This report contains logs of all the test holes drilled in the county under the program as well as those drilled by the Conservation and Survey Division with financial assistance from other government agencies.

The maps in this report show the locations of all test holes drilled in the county since 1934.

Present techniques of …


Geomorphic And Environmental Change Around A Large, Aging Reservoir: Lake C. W. Mcconaughy, Western Nebraska, Usa, R. Matthew Joeckel, Robert F. Diffendal Jr. Feb 2004

Geomorphic And Environmental Change Around A Large, Aging Reservoir: Lake C. W. Mcconaughy, Western Nebraska, Usa, R. Matthew Joeckel, Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

Lake C. W. McConaughy, a 63-year-old manmade reservoir in the North Platte Valley of western Nebraska, is the largest standing body of water in the state. From the time that Kingsley Dam was completed in 1941 until the present day (2004), many geomorphic and environmental changes have occurred along the shores and within the North Platte Valley. Erosion on the southeastern shoreline of the lake had been perceived as a problem for landowners and managers for at least three decades, but the full scale of erosion was revealed only after a cumulative 18-m drawdown in lake level: bedrock platforms, extending …


Hydrochemical Variations During Flood Pulses In The South-West China Peak Cluster Karst: Impacts Of Caco3–H2o–Co2 Interactions, Chris Groves, Zaihua Liu, Daoxian Yuan, Joe Meiman, Guanghui Jiang, Shiyi He, Qiang Li Jan 2004

Hydrochemical Variations During Flood Pulses In The South-West China Peak Cluster Karst: Impacts Of Caco3–H2o–Co2 Interactions, Chris Groves, Zaihua Liu, Daoxian Yuan, Joe Meiman, Guanghui Jiang, Shiyi He, Qiang Li

Earth, Environmental, and Atmospheric Sciences Faculty Publications

High-resolution measurements of rainfall, water level, pH, conductivity, temperature and carbonate chemistry parameters of groundwater at two adjacent locations within the peak cluster karst of the Guilin Karst Experimental Site in Guangxi Province, China, were made with different types of multiparameter sonde. The data were stored using data loggers recording with 2 min or 15 min resolution. Waters from a large, perennial spring represent the exit for the aquifer's conduit flow, and a nearby well measures water in the conduit-adjacent, fractured media. During flood pulses, the pH of the conduit flow water rises as the conductivity falls. In contrast, and …


An Inventory And Condition Survey Of The Pilbara Region, Western Australia, A M E Van Vreeswyk, K A. Leighton, A L. Payne, P Hennig Jan 2004

An Inventory And Condition Survey Of The Pilbara Region, Western Australia, A M E Van Vreeswyk, K A. Leighton, A L. Payne, P Hennig

Technical Bulletins

The inventory and condition survey of the Pilbara region, undertaken by the Department of Agriculture, Western Australia between 1995 and 1999, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed covers about 181 723 km². Seven …


Groundwater-Level Changes In Nebraska - Spring 2002 To Spring 2003/Groundwater-Level Changes In Nebraska - Predevelopment To Spring 2003, Conservation Survey Division Jan 2004

Groundwater-Level Changes In Nebraska - Spring 2002 To Spring 2003/Groundwater-Level Changes In Nebraska - Predevelopment To Spring 2003, Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Mammals Of Carlsbad Caverns National Park, New Mexico, Kenneth N. Geluso, Keith Geluso Jan 2004

Mammals Of Carlsbad Caverns National Park, New Mexico, Kenneth N. Geluso, Keith Geluso

Bulletin of the University of Nebraska State Museum (1924–2023)

Carlsbad Cavern was established as a national park on 14 May 1930, after being designated as a national monument for nearly seven years. The park is located in southeastern New Mexico, and today it encompasses 189.3 km2 (73.1 mi2). Eighty-eight percent of the park lies in the rugged Guadalupe Mountains, while 12% is located on relatively flat land along the base of the mountains. The park contains a variety of habitats ranging from desert scrub at the lowest elevations to coniferous woodlands on the highest summits. Five months after Carlsbad Cavern was declared a national monument, Vernon …


Mute Swans And Their Chesapeake Bay Habitats:Proceedings Of A Symposium, Matthew C. Perry Jan 2004

Mute Swans And Their Chesapeake Bay Habitats:Proceedings Of A Symposium, Matthew C. Perry

United States Geological Survey: Publications

The symposium “Mute Swans and their Chesapeake Bay Habitats,” held on June 7, 2001, provided a forum for biologists and managers to share research findings and management ideas concerning the exotic and invasive mute swan (Cygnus olor). This species has been increasing in population size and is considered by many to be a problem in regard to natural food resources in the Bay that are used by native waterfowl during the winter months. Other persons, however, feel that resource managers are attempting to create a problem to justify more killing of waterfowl by hunters. Some persons also believe …


Late-Holocene Dune Activity Linked To Hydrological Drought, Nebraska Sand Hills, Usa, Joseph A. Mason, James B. Swinehart, Ronald J. Goble, David B. Loope Jan 2004

Late-Holocene Dune Activity Linked To Hydrological Drought, Nebraska Sand Hills, Usa, Joseph A. Mason, James B. Swinehart, Ronald J. Goble, David B. Loope

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Lincoln County Test Hole Logs, James W. Goeke Jan 2004

Lincoln County Test Hole Logs, James W. Goeke

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Semianalytical Solutions For Stream Depletion In Partially Penetrating Streams, Xunhong Chen, Yanfeng Yin Jan 2004

Semianalytical Solutions For Stream Depletion In Partially Penetrating Streams, Xunhong Chen, Yanfeng Yin

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Hitchcock County Test Hole Logs, Duane A. Eversoll Jan 2004

Hitchcock County Test Hole Logs, Duane A. Eversoll

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Mcpherson County Test Hole Logs, James W. Goeke Jan 2004

Mcpherson County Test Hole Logs, James W. Goeke

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Webster County Test Hole Logs, Scott E. Summerside Jan 2004

Webster County Test Hole Logs, Scott E. Summerside

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Review Of Geologic Factors Affecting Underground Limestone Mining In The U.S. And An Overview Of Underground Limestone Mining In Nebraska, R. M. Joeckel Jan 2004

Review Of Geologic Factors Affecting Underground Limestone Mining In The U.S. And An Overview Of Underground Limestone Mining In Nebraska, R. M. Joeckel

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geogram 2003, David J. Keeling Editor, Wku Department Of Geography And Geology Oct 2003

Geogram 2003, David J. Keeling Editor, Wku Department Of Geography And Geology

Earth, Environmental, and Atmospheric Sciences Publications

No abstract provided.


History, Geology And Water In The Lower Platte River Valley In Eastern Nebraska, Dave Gosselin, Marv Carlson, Matt Joeckel Jun 2003

History, Geology And Water In The Lower Platte River Valley In Eastern Nebraska, Dave Gosselin, Marv Carlson, Matt Joeckel

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Southeast Nebraska Geology: Field Trip 3, Roger K. Pabian, Robert F. Diffendal, Jr. Jr., Darwin R. Boardman Ii Jun 2003

Southeast Nebraska Geology: Field Trip 3, Roger K. Pabian, Robert F. Diffendal, Jr. Jr., Darwin R. Boardman Ii

Robert F. Diffendal, Jr., Publications

The purpose of this trip is to familiarize you with the latest Pennsylvanian and earliest Permian rocks that are exposed in extreme southeastern Nebraska. You will see eight exposures of these rocks and will have ample opportunity to collect lithologic samples, as well as samples for both macro- and micro-fossils. The stops have been selected to show you examples of several different environments that existed in southeastern Nebraska in the late Paleozoic. These include subaerial deposits with paleosols, nearshore and offshore marine clastic and carbonate sequences. Each stop is covered in detail in the handouts that have been furnished to …


Ashfall Historic Park: Field Trip 5, Robert F. Diffendal Jr. Jun 2003

Ashfall Historic Park: Field Trip 5, Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

Ashfall Fossill Beds: A State Historical Park. Brochure. Nebraska Game and Parks Commission and University of Nebraska State Museum

Research Reports, 1978. Projects: A Miocene Rhinoceros Herd Buried in Volcanic Ash. Grant Recipient: Michael R. Voorhies, Division of Vertebrate Paleontology, University of Nebraska State Museum, Lincoln, Nebraska.

Geologic Framework of the Niobrara River Drainage Basin and Adjacent Areas in South Dakota Generally East of the 100th Meridian West Longitude and West of the Missouri River Robert F. Diffendal, Jr. and Michael R. Voorhies. Nebraska Geological Survey Report of Investigations, number 9.


Water Transfers And Marketing In Nebraska, J Michaeil Jess Apr 2003

Water Transfers And Marketing In Nebraska, J Michaeil Jess

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.