Open Access. Powered by Scholars. Published by Universities.®
- Institution
-
- University of Nebraska - Lincoln (1696)
- University of South Florida (515)
- Western Kentucky University (437)
- Portland State University (395)
- Old Dominion University (351)
-
- Utah State University (325)
- University of Kentucky (269)
- Singapore Management University (263)
- Wilfrid Laurier University (222)
- City University of New York (CUNY) (219)
- University of Arkansas, Fayetteville (214)
- Chapman University (179)
- Clark University (168)
- West Virginia University (160)
- University of Nevada, Las Vegas (159)
- Louisiana State University (156)
- South Dakota State University (151)
- Claremont Colleges (140)
- Illinois State University (128)
- University of Colorado Law School (125)
- SIT Graduate Institute/SIT Study Abroad (123)
- Missouri State University (120)
- TÜBİTAK (119)
- Missouri University of Science and Technology (104)
- Central Washington University (103)
- Wright State University (103)
- Boise State University (101)
- University of Northern Iowa (99)
- University of Rhode Island (98)
- Nova Southeastern University (95)
- Keyword
-
- Climate change (320)
- Remote sensing (250)
- GIS (207)
- Geography (195)
- Sustainability (180)
-
- United States (150)
- Geology (148)
- Western Kentucky University (142)
- Climate (110)
- Water quality (109)
- Environment (105)
- Conservation (103)
- Agriculture (96)
- Mongolia (96)
- California (91)
- Alumni magazines (90)
- Clark University Geographical Society (90)
- Machine learning (89)
- Drought (84)
- Hydrology (83)
- Remote Sensing (82)
- Groundwater (77)
- Nebraska (76)
- Climate Change (75)
- Ecology (72)
- Geomorphology (70)
- Karst (65)
- Land use (61)
- Geochemistry (60)
- Biodiversity (59)
- Publication Year
- Publication
-
- School of Natural Resources: Faculty Publications (283)
- Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298 (266)
- Theses and Dissertations (265)
- Theses and Dissertations (Comprehensive) (198)
- USF Tampa Graduate Theses and Dissertations (185)
-
- Electronic Theses and Dissertations (179)
- Research Collection School Of Computing and Information Systems (176)
- International Journal of Speleology (173)
- Masters Theses & Specialist Projects (171)
- United States Geological Survey: Staff Publications (141)
- Dissertations and Theses (137)
- Graduate Theses and Dissertations (130)
- Faculty Publications (124)
- Graduate Theses/Dissertations (118)
- Independent Study Project (ISP) Collection (112)
- United States National Park Service: Publications (111)
- IGC Proceedings (1977-2023) (109)
- Masters Theses (107)
- WKU Administration Documents (104)
- Department of Earth and Atmospheric Sciences: Faculty Publications (100)
- Graduate Theses, Dissertations, and Problem Reports (ETD) (98)
- The Monadnock (Clark Geographical Society) (91)
- Publications and Research (90)
- Bulletin of Chinese Academy of Sciences (Chinese Version) (88)
- Turkish Journal of Earth Sciences (87)
- All Graduate Theses and Dissertations, Spring 1920 to Summer 2023 (86)
- Marine Affairs Theses and Major Papers (85)
- Mathematics, Physics, and Computer Science Faculty Articles and Research (83)
- LSU Master's Theses (77)
- Geosciences Faculty Publications and Presentations (74)
- Publication Type
- File Type
Articles 11851 - 11880 of 12228
Full-Text Articles in Entire DC Network
Glacial Deposits, Vol. 1, 1972-1973, Department Of Geography-Geology
Glacial Deposits, Vol. 1, 1972-1973, Department Of Geography-Geology
Glacial Deposits
Newsletter of the Department of Geography-Geology
Water Resources News, Volume 4, No. 10, December 1972
Water Resources News, Volume 4, No. 10, December 1972
Water Current Newsletter
Spring Water Resources Seminar - 1973
Summer Institutes Announced at the University of Nebraska
Nebraska Federal Sewage Funds Cut
Future Cloud-Seeding Experiments
GAO vs EPA
World's First
Guidelines for Planning Projects Available
BUREC Report Notes Shift in Water Usage
Hall Appointed Acting Director of OWRR
Water Resources Council Releases "Summary/Analysis"
Waste Storage Underground
National Resource and Land Information Program Urged
The Structural And Metamorphic History Of The Oakhurst Roof Pendant, Mariposa And Madera Counties, California, Lee R. Russell
The Structural And Metamorphic History Of The Oakhurst Roof Pendant, Mariposa And Madera Counties, California, Lee R. Russell
UNLV Theses, Dissertations, Professional Papers, and Capstones
The Oakhurst roof pendant, near Oakhurst, California, consists of three pre-Cretaceous clastic metasedimentary rock units, surrounded and intruded by rocks of the Sierra Nevada batholith. Two zones of probable "sheared granitic" and "ultramafic" rocks trend northwesterly and are approximately aligned with the Foothills fault system farther north.
The dominant mesocopic feature of the pendant is a northwesterly striking foliation which forms a downward converging fan. Earlier-formed hornblende lineations have been transposed into this foliation plane, as shown by Schmidt-net projections.
Rocks comprising the three unites show three textural stages:
1) Early amphiboles and diopside overgrown by later static amphibole pophyroblasts. …
A Preliminary Bibliography And Lake Index Of The Inland Mineral Waters Of The World, D. B. Mccarraher
A Preliminary Bibliography And Lake Index Of The Inland Mineral Waters Of The World, D. B. Mccarraher
Nebraska Game and Parks Commission: Staff Research Publications
This preliminary- bibliography and lake index has been prepared by the author on the basis of information available in the Office of Limnology, Hastings College, Nebraska. Although all source material available there has been searched, it is recognized that many papers, especially those published in regional languages may have been left out. Readers are requested to point out such omissions and any inaccuracies that require correction.
This preliminary bibliography will be circulated among specialists in the subject for corrections to the citations and for suggested additions to the list. It is planned that the paper will then be revised to …
The Geology Of The Pittsburg Landing Area, Snake River Canyon, Oregon-Idaho, David L. White
The Geology Of The Pittsburg Landing Area, Snake River Canyon, Oregon-Idaho, David L. White
All-Inclusive List of Electronic Theses and Dissertations
The major purpose of the study was to map, describe, and correlate the pre-Tertiary rocks. Accessible and excellent exposures at Pittsburg Landing enabled the writer to make a somewhat detailed study of the stratigraphy. The thesis area also offered an opportunity to study in a reconnaissance manner, the Tertiary Columbia River Basalt as described by Waters, and more recently y Ozier.
Annual Report And Membership List 1971-72, Iowa Academy Of Science
Annual Report And Membership List 1971-72, Iowa Academy Of Science
Iowa Academy of Science Documents
Contents:
Minutes of the Annual Business Meeting --- 4
Report of the Executive Secretary --- 8
Report of the 84th Session --- 14
Report of the Social Implications Committee --- 16
Report of the Finance Committee --- 18
Treasurer's Report --- 20
Report of the Librarian --- 22
Report of the Recognition and Awards Committee --- 23
Report of the Student Programs Committee --- 26
Report of the Articulation Committee --- 29
Report of the Resolutions Committee --- 31
Report of the Membership Committee --- 32
Constitution, Bylaws, and Articles of Incorporation --- 33
Constitution --- 34
Bylaws --- 38 …
Surface Water Turbidity In The Entrance To Chesapeake Bay, Virginia, James R. Melchor
Surface Water Turbidity In The Entrance To Chesapeake Bay, Virginia, James R. Melchor
OES Theses and Dissertations
Seasonal and spatial variations in the surface water turbidity across the entrance to Chesapeake Bay, Virginia, have been monitored with an optical transmissometer for one year. The data indicate a suspended-sediment gradient across the entrance with higher turbidity on the south side. This condition suggests that the flooding and ebbing tidal currents are influenced by Coriolis force. Clearer ocean water is introduced into the bay on the north side; whereas highly turbid water from the major drainage systems exits on the south side. A salinity gradient with18 0/00 on the south side of the bay and approximately 32 0/00 on …
The Monadnock Volume 46, June 1972, Clark University Geographical Society
The Monadnock Volume 46, June 1972, Clark University Geographical Society
The Monadnock (Clark Geographical Society)
Volume 46 of The Monadnock. The Monadnock was the alumni magazine of the Clark University Geographical Society (1927-1985) (2014-present).
External States And The Indian Ocean: The Potential For Confrontation, James P. Cartwright
External States And The Indian Ocean: The Potential For Confrontation, James P. Cartwright
Marine Affairs Theses and Major Papers
A study of the common interests of internal and external states in the Indian Ocean and identification of the methods, and their potential for confrontation, employed by external powers in pursuit of their interests. The historical interests of external powers in the Indian Ocean are depicted. Common interests, which have commanded the attention of internal states and external powers during recent years, are identified. The Indian Ocean is divided into five regions, each region characterized by the aforementioned common interests. The assets, mutual relations and interests of the littoral states comprising each region are described. The interests and methods of …
Naval And Merchant Fleet Coordination: A New Maritime Strategy, W. Gibson Carter
Naval And Merchant Fleet Coordination: A New Maritime Strategy, W. Gibson Carter
Marine Affairs Theses and Major Papers
The military sealift requirements of the Department of Defense and the cooperation of the Merchant Marine in times of crises, national emergencies and wars are well known. The current trend toward increasing international trade; problems of inadequate U.S. flag commercial shipping fleet and further reductions in the size of the active and reserve naval fleets, require that some cooperative effort be considered in a normal peacetime environment as well as in a crisis role. The majority of the ships of the U.S. Navy and Merchant Marine are well over twenty years old and are inefficient and uneconomical to operate. Positive …
Investigations Of The Algal Productivity Of Selected And Limited Sites Along The Western Shore Of Bear Lake, Utah-Idaho, John William Sigler
Investigations Of The Algal Productivity Of Selected And Limited Sites Along The Western Shore Of Bear Lake, Utah-Idaho, John William Sigler
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Investigations of limited and selected areas along the western shore of Bear Lake were carried out to determine the relative algal productivity with relation to nutrient concentrations and incident sunlight. The primary objective of the study was to determine the effects of nutrient changes in the littoral zone on the western shore on the algal productivity and to establish a baseline of data.
l4C02 radioisotope was used as the principal measurement of organic carbon production as an estimate of productivity. Chlorophyll extracts were made and used as a secondary method for the estimation of productivity. Chemical analysis of …
84th Session Of The Iowa Academy Of Science, April 28-29, 1972, Iowa Academy Of Science
84th Session Of The Iowa Academy Of Science, April 28-29, 1972, Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
The Ias Bulletin, V6n2, March 1972, Iowa Academy Of Science
The Ias Bulletin, V6n2, March 1972, Iowa Academy Of Science
IAS Bulletin
In this issue:
--- Officers, Directors, and Section Chairmen, 1971-72
--- 84th Session Program Complete
--- Proceedings Will Not Be Forwarded
--- Third Issue of Quarterly Proceedings Ready in April
--- Note from an "Oldtimer"
--- AAAS Research Grant Funds Available
--- To Count Our Blessings
--- AAAS Board Adopts New Statement of Goals
--- Status of AAAS Governance Changes
--- Registration Form
--- Invitation from the Midwest Benthological Society
--- ISU Announces Sigma XI and Bessey Lectures
--- Call for Papers
--- Membership Facts
The Colorado Plateau, Robert Durrenberger
The Colorado Plateau, Robert Durrenberger
Canyonlands Research Bibliography
The Colorado Plateau was one of the last areas in the United States to be developed economically. Before the 1880s it was virtually empty except for Indians. Today the vast scenic and energy resources of the area are under development, and projections for future development are frightening. Problems of land use management are directly related to the fragmented nature of landholdings. Present methods of consolidation are inadequate, and new approaches to the organization of space must be devised if further degradation of the environment is to be prevented.
The Ias Bulletin, V6n1, January 1972, Iowa Academy Of Science
The Ias Bulletin, V6n1, January 1972, Iowa Academy Of Science
IAS Bulletin
In this issue:
--- Officers, Directors, and Section Chairmen, 1971-72
--- Last Call for Papers for the Annual Sessionsat Iowa City
--- Preliminary Planning well Underway
--- Another new Section Being Formed
--- Conservation Education Center Opens
--- Outdoor Classroom to be Part of Academy Farm
--- A Thought for the Day
--- News from the AAAS Convention
--- ISU Member has Proceedings to Give Away
--- AAAS Research Grants Awarded
--- Manuscripts Invited for Future Proceedings
--- Elections Coming up in March
--- Membership Facts
--- Water Resources of Iowa
--- Predicted Job Openings, 1970's
Annotated Bibliography Of The Geology Of North Dakota, 1806-1959, Mary Woods Scott
Annotated Bibliography Of The Geology Of North Dakota, 1806-1959, Mary Woods Scott
Theses and Dissertations
References to the literature on North Dakota geology published between 1805 and 1960 are listed in this annotated bibliography. Published bibliographies on North American geology, bibliographies on geological subjects important to North Dakota, unpublished lists of references, and references cited in each entry herein were used to compile the bibliography. Each reference is provided with an annotation of its contents. A subject and geographical index and a list of serials cited are included.
Late Quaternary Eustatic Sea-Level Changes Along The Malibu Coast, Los Angeles County, California, Peter W. Birkeland
Late Quaternary Eustatic Sea-Level Changes Along The Malibu Coast, Los Angeles County, California, Peter W. Birkeland
United States Geological Survey: Staff Publications
Late Quaternary relative sea-level changes along the Malibu coast can be deciphered by study of geomorphic features and marine and associated stream deposits. Evidence for such changes includes (a) stream downcutting in large valleys during low stands of sea level, (b) stream aggradation in the same valleys during high stands of sea level, and (c) marine shoreline angles whose altitudes coincide with the tops of valley-fill stream deposits. This evidence, and open-system uranium-series dates for shells from the Corral and Dume terrace deposits, provide a time scale for certain sea-level changes. Evidence from other …
Tyler State College Bulletin, 1972-1973, University Of Texas At Tyler
Tyler State College Bulletin, 1972-1973, University Of Texas At Tyler
Catalogs
No abstract provided.
Fracture Pattern Analysis Employing Remote Sensing Techniques For Groundwater Movement With Environmental Applications: Preliminary Report, Bradford C. Hanson
Fracture Pattern Analysis Employing Remote Sensing Techniques For Groundwater Movement With Environmental Applications: Preliminary Report, Bradford C. Hanson
Journal of the Arkansas Academy of Science
The study will consist of determining the relationship between fracture patterns and porosity-permeability changes in carbonate rocks with emphasis on groundwater movement. These porosity-permeability changes will be measured by relative groundwater movement, in the form of either springs, artesian wells, municipal supplies, or private wells. Relationships will be determined by plotting the positions of the measuring sites and correlating these sites with mapped fractures. Water yield is expected to be markedly greater for sites along fracture traces than for those located at random.
A Feasibility Study Of Commercial Upland Game Bird Farms In Waterloo County, Ontario, Robert John Mcclure
A Feasibility Study Of Commercial Upland Game Bird Farms In Waterloo County, Ontario, Robert John Mcclure
Theses and Dissertations (Comprehensive)
No abstract provided.
Stratigraphy, Genesis, And Economic Potential Of The Southern Part Of The Florida Land-Pebble Phosphate Field, Dean Stanley Clark
Stratigraphy, Genesis, And Economic Potential Of The Southern Part Of The Florida Land-Pebble Phosphate Field, Dean Stanley Clark
Doctoral Dissertations
"The important and highly productive Florida land-pebble phosphate field is located in west central peninsular Florida in portions of Hillsborough, Polk, Hardee, and Manatee counties. The Pine Level phosphate area, described in detail in this report, is south of the previously known and mined deposits and occurs in portions of Manatee, Sarasota, and De Soto counties. Results of the current geologic study of the Pine Level phosphate deposit and the evaluation of the overall potential of this southern part of the land-pebble field are presented.
The entire southern part of the phosphate field is underlain by more than 15,000 feet …
The Mio-Eugeosynclinal Thrust Interface And Related Petroleum Implications In The Sason-Baykan Area, Southeast Turkey, Ismail Özkaya
The Mio-Eugeosynclinal Thrust Interface And Related Petroleum Implications In The Sason-Baykan Area, Southeast Turkey, Ismail Özkaya
Doctoral Dissertations
"A detailed investigation of the stratigraphy, structure and petroleum geology of the Sason-Baykan region in 600 square km area of the thrust belt of southeast Turkey was completed at a scale 1: 25 000. Geosynclinal sediments within the area were redated.
Results of field study indicate a massive plate of metamorphic rocks and crystalline limestones was thrust southward over geosynclinals sediments. These in turn were thrust over the southern marginal basin deposits. A stratigraphic sequence of the allochthonous geosynclinals sediments was reconstructed and correlated with the autochthonous Tertiary section. Contrary to earlier views the allochthonous sediments and accompanying igneous rocks …
Le Cinquantenaire Du Premier Institut De Spéléologie Du Monde, Traian Orghidan
Le Cinquantenaire Du Premier Institut De Spéléologie Du Monde, Traian Orghidan
International Journal of Speleology
Description of the activities carried out by the first speleological institute of the world, the Institutul de Spéologie “Emil Racovitza”, founded in 1920 at Cluj in Romania.
Response Of Fraxinus Pennsylvanica M. Provenances To Daylength And Temperature, Cheng-Chun Ying
Response Of Fraxinus Pennsylvanica M. Provenances To Daylength And Temperature, Cheng-Chun Ying
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Time-Series Study Of The Foreshore Zone In A Non-Tidal Environment, Randall Thomas Kerhin
Time-Series Study Of The Foreshore Zone In A Non-Tidal Environment, Randall Thomas Kerhin
Masters Theses
No abstract provided.
Water Resources News, Volume 3, No. 9, November 1971
Water Resources News, Volume 3, No. 9, November 1971
Water Current Newsletter
Program for the 1972 Interdisciplinary Seminar on Water Issues
Simulation of Groundwater Systems
Summer Short Course Planned
Recyling of Water
OSW Awards Freezing Plant Design Contract
Cloud-Seeding Program
Water Rights Study
"Turn-Key" Approach Proposed for Construction of Waste Treatment Plants
Water Quality Guidelines for Nation Being Updated by NAS for EPA
Nebraska Water Resources and Irrigation Development Seminar for the 1970s
EPA Names New Head of Solid Waste Programs Office
Symposium on Costs of Waster Pollution Control
Research Need
Symposium on Watershed Management
EPA Revising Regulations for Grants and Contracts
Internships in Science and Engineering
Arctic Pipelining -- Tough, Costly, But Feasible, William H. Pearn
Arctic Pipelining -- Tough, Costly, But Feasible, William H. Pearn
UMR Journal -- V. H. McNutt Colloquium Series
The development of vitally important Arctic petroleum resources presents new and interesting challenges. Although the answers to some questions will undoubtedly undoubtedly go unresolved until considerable operating experience has accrued, we can improve our present insight through an awareness of the work performed by others under similar conditions. This presentation focuses on Soviet pipelining experience in arctic and subarctic regions of Siberia.
Arctic Oil And The S.S. Manhattan, Russell H. Venn
Arctic Oil And The S.S. Manhattan, Russell H. Venn
UMR Journal -- V. H. McNutt Colloquium Series
The discovery of oil on Alaska’s North Slope in 1968 not only focused attention on that remote part of our world, it set the stage for one of the most exciting and significant scientific expeditions of our time—the voyage of the ice breaking tanker SS Manhattan through the Northwest Passage.
In the space available I would like to discuss with you that historic expedition, how it came to be, and comment on the results, as we see them.
Alaska's Possible Petroleum Provinces, George Gryc
Alaska's Possible Petroleum Provinces, George Gryc
UMR Journal -- V. H. McNutt Colloquium Series
Petroleum is the major Alaskan source of energy immediately available to the United States. Petroleum accounted for 89 percent or about $219 million of Alaska’s total mineral production in 1969 estimated at nearly $245 million.
Alaska’s first oil field was discovered at Katalla in 1902. About 154,000 barrels of oil were produced from 1902 to 1933. From 1945 through 1952, 45 shallow core tests and 36 test wells were drilled in and adjacent to Naval Petroleum Reserve No. 4 in northern Alaska. Oil deposits with possible reserves of 72 to 112 million barrels and gas deposits with possible reserves of …