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Articles 2701 - 2730 of 2761

Full-Text Articles in Other Environmental Sciences

Agricultural Meteorology In China, Norman J. Rosenberg Jan 1982

Agricultural Meteorology In China, Norman J. Rosenberg

School of Natural Resources: Faculty Publications

During nearly five weeks in China (May-June 1981), the author visited scientific institutions and experiment stations engaged in agricultural meteorology and climatology research and teaching. The facilities, studies, and research programs at each institution are described and the scientific work in these fields is evaluated. Agricultural meteorology and climatology are faced with some unique problems and opportunities in China and progress in these fields may be of critical importance to that nation in coming years. The author includes culinary notes and comments on protocol in China.


A Digital Archive Of Northern Hemisphere Snow Cover, November 1966 Through December 1980, Kenneth F. Dewey, Richard R. Heim Jr. Jan 1982

A Digital Archive Of Northern Hemisphere Snow Cover, November 1966 Through December 1980, Kenneth F. Dewey, Richard R. Heim Jr.

School of Natural Resources: Faculty Publications

The purpose of this article is to acquaint the research community with a new data base—a digitized archive of Northern Hemisphere snow cover. Historically, those researchers who needed snow cover data for climatic and atmospheric boundary layer studies have had to rely on the irregularly spaced (and in some regions, sparse) grid of point observations. Northern Hemisphere Weekly Snow and Ice Cover Charts, which are created from analyzed satellite imagery at the National Earth Satellite Service (NESS), have been available on an operational basis since late 1966. Each of these weekly charts for the period November 1966 through December 1980 …


Influence Of Windbreak-Shelter On Soybean Production Under Rainfed Conditions, S.N. Ogbuehi, James R. Brandle Jan 1981

Influence Of Windbreak-Shelter On Soybean Production Under Rainfed Conditions, S.N. Ogbuehi, James R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.


Influence Of Windbreak-Shelter On Soybean Production Under Rainfed Conditions, S.N. Ogbuehi, James R. Brandle Jan 1981

Influence Of Windbreak-Shelter On Soybean Production Under Rainfed Conditions, S.N. Ogbuehi, James R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.


Forestry For Wildlife Habitat Improvement. Nebraska Cooperative Extension Service Ec 81-1747, Ec 80-1747, Frank A. Hershey, Howard L. Wiegers Jan 1981

Forestry For Wildlife Habitat Improvement. Nebraska Cooperative Extension Service Ec 81-1747, Ec 80-1747, Frank A. Hershey, Howard L. Wiegers

School of Natural Resources: Faculty Publications

Wildlife cannot exist without food and protective cover. Natural and planted woodlands contribute significantly to these essentials. This circular describes habitat needs of wildlife, recommends forestry practices for habitat improvement, and gives examples of practices to improve habitat for pheasant, quail, and deer.

Variety, rather than uniformity of vegetation, benefits most wildlife species. Management which results in a diverse plant community with many stages of growth can increase the numbers and species of wildlife. Techniques which create improved conditions for woodland wildlife are fundamentally the same as those designed to grow good timber.


Plant And Air Temperatures In Differentially-Irrigated Corn, B. L. Blad Jan 1981

Plant And Air Temperatures In Differentially-Irrigated Corn, B. L. Blad

School of Natural Resources: Faculty Publications

No abstract provided.


Mass And Energy Exchanges Of A Soybean Canopy Under Various Environmental Regimes, S. B. Verma Jan 1981

Mass And Energy Exchanges Of A Soybean Canopy Under Various Environmental Regimes, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


Limitations In The Use Of Leaf Dry Weight And Leaf Number For Predicting Leaf Area Of Soybeans, S.N. Ogbuehi, J.R. Brandle Jan 1981

Limitations In The Use Of Leaf Dry Weight And Leaf Number For Predicting Leaf Area Of Soybeans, S.N. Ogbuehi, J.R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.


Irrigation Scheduling Of Corn Utilizing Infrared Thermometry, Kirk L. Clawson Jul 1980

Irrigation Scheduling Of Corn Utilizing Infrared Thermometry, Kirk L. Clawson

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Reflectorized Soybean Canopy In Relation To Transpiration And Herbicide Phytotoxicity, S.N. Ogbuehi, J.R.C. Leavitt, James R. Brandle Jan 1980

Reflectorized Soybean Canopy In Relation To Transpiration And Herbicide Phytotoxicity, S.N. Ogbuehi, J.R.C. Leavitt, James R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.


Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report July 1980 - June 1981, R. R. Burchett Jan 1980

Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report July 1980 - June 1981, R. R. Burchett

School of Natural Resources: Faculty Publications

This annual report presents and interprets the information obtained by the Conservation and Survey Division (Nebraska Geological Survey) during contract year July 1, 1980, to June 30, 1981, under contract NRC-04-76-3lS with the U. S. Nuclear Regulatory Commission. The information pertains to the geology, structure, tectonics, and seismicity of eastern Nebraska with emphasis on central Otoe County. Some of the information presented here results from a combination of studies begun in earlier years but the greater part results from studies begun during the contract year.

The scope of the studies is summarized as follows:

1. Rock outcrops in Otoe County …


Bibliography Of J. E. Weaver Jan 1980

Bibliography Of J. E. Weaver

Papers of John E. Weaver (1884–1956)

1914-1963

(8 pages, typescript)


Distributional And Dimensional Patterns Of Muskrat Burrows, James G. Bruner Jul 1979

Distributional And Dimensional Patterns Of Muskrat Burrows, James G. Bruner

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Environmental And Physiological Effects On The Carbon Exchange Rate And Water Use Efficiency Of Alfalfa, Dennis D. Baldocchi Jul 1979

Environmental And Physiological Effects On The Carbon Exchange Rate And Water Use Efficiency Of Alfalfa, Dennis D. Baldocchi

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


An Objective Forecast Method Developed For Lake Ontario Induced Snowfall Systems, K. F. Dewey Feb 1979

An Objective Forecast Method Developed For Lake Ontario Induced Snowfall Systems, K. F. Dewey

School of Natural Resources: Faculty Publications

A research effort was initiated in 1976 to develop an objective lake-effect snowfall forecast model for each of the Great Lakes. It is the purpose of this paper to present the development and evaluation of the forecast method which was created for the Lake Ontario induced snowfall systems. All Lake Ontario lake-effect days were identified for a 10-yead period prior to the 1976 snowfall season. Upper air surface observations were combined with overlake data for these lake-effect periods. The dominant predictors were derived through the diagnostic ability of stepwise multiple discriminant analysis. The final product of this research effort was …


Lake Erie Induced Mesosystems- An Operational Forecast Model, Kenneth F. Dewey Jan 1979

Lake Erie Induced Mesosystems- An Operational Forecast Model, Kenneth F. Dewey

School of Natural Resources: Faculty Publications

All Lake Erie lake-effect days for a 10-year period prior to the 1976-77 snowfall season were utilized in the development of an operational lake-effect snowfall forecast model. Upper air and surface observation were combined with overlake data and analyzed, using stepwise multiple-discriminant analysis. A nine-predictor mesoscale forecast model resulted from this statistical test and its performance was evaluated during the 1976-77 and 1977-78 snowfall seasons. The results of this evaluation indicate that it is possible to predict six intensities of the Lake Erie lake-effect snowstorm using this mesoscale model.


Aerial And Crop Resistances Affecting Energy Transport, S. B. Verma, B. J. Barfield Jan 1979

Aerial And Crop Resistances Affecting Energy Transport, S. B. Verma, B. J. Barfield

School of Natural Resources: Faculty Publications

No abstract provided.


Turbulence Under Conditions Of Sensible Heat Advection, R. P. Motha, S. B. Verma, N. J. Rosenberg Jan 1979

Turbulence Under Conditions Of Sensible Heat Advection, R. P. Motha, S. B. Verma, N. J. Rosenberg

School of Natural Resources: Faculty Publications

No abstract provided.


An Objective Forecast Method Developed For Lake Ontario Induced Snowfall Systems, K. F. Dewey Jan 1979

An Objective Forecast Method Developed For Lake Ontario Induced Snowfall Systems, K. F. Dewey

School of Natural Resources: Faculty Publications

A research effort was initiated in 1976 to develop an objective lake-effect snowfall forecast model for each of the Great Lakes. It is the purpose of this paper to present the development and evaluation of the forecast method which was created for the Lake Ontario induced snowfall systems. All Lake Ontario lake-effect days were identified for a 10-year period prior to the 1976 snowfall season. Upper air and surface observations were combined with overlake data for these lake-effect periods. The dominant predictors were derived through the diagnostic ability of stepwise multiple discriminant analysis. The final product of this research effort …


The States And Natural Hazards, The Council Of State Governments, Robert Kuzelka Jan 1979

The States And Natural Hazards, The Council Of State Governments, Robert Kuzelka

School of Natural Resources: Faculty Publications

No abstract provided.


Regional Tectonics And Seismicity Of Eastern Nebraska, R. R. Burchett Jan 1979

Regional Tectonics And Seismicity Of Eastern Nebraska, R. R. Burchett

School of Natural Resources: Faculty Publications

This annual report presents and interprets the information obtained by the Conservation and Survey Division (Nebraska Geological Survey) during contract year July 1, 1979, to June 30, 1980, under contract NRC-04-76-3l5 with the U. S. Nuclear Regulatory Commission. The information pertains to the geology, structure, tectonics, and seismicity of eastern Nebraska with emphasis on the vicinity south of Omaha, Nebraska. Some of the information presented here results from a combination of studies begun in earlier years but the greater part results from studies begun during the contract year.

The scope of the studies is summarized as follows:

1. Rock outcrops …


Cenozoic Geology Of The North Platte River Valley, Morrill And Garden Counties, Nebraska, James B. Swinehart Jan 1979

Cenozoic Geology Of The North Platte River Valley, Morrill And Garden Counties, Nebraska, James B. Swinehart

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Exchange Coefficients Under Sensible Heat Advection Determined By Eddy Correlation, S. B. Verma Jan 1979

Exchange Coefficients Under Sensible Heat Advection Determined By Eddy Correlation, S. B. Verma

School of Natural Resources: Faculty Publications

No abstract provided.


The Phosphorus Dynamics Of A Eutrophic Prairie Reservoir, John F. Bender Aug 1978

The Phosphorus Dynamics Of A Eutrophic Prairie Reservoir, John F. Bender

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Production Rates Of Benthic Insects In A Turbid Reservoir, John C. Lund Aug 1978

Production Rates Of Benthic Insects In A Turbid Reservoir, John C. Lund

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


The Dietary Effects Of Rana Catesbeiana Larvae On Micropterus Salmoides, Eric Jon Evenson Aug 1978

The Dietary Effects Of Rana Catesbeiana Larvae On Micropterus Salmoides, Eric Jon Evenson

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Turbulent Transfer Over An Irrigated Crop Under Conditions Of Sensible Heat Advection, Raymond P. Motha May 1978

Turbulent Transfer Over An Irrigated Crop Under Conditions Of Sensible Heat Advection, Raymond P. Motha

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Movements And Activity Patterns Of The Plains Pocket Gopher (Geomys Bursarius) In Nebraska, Dallas Virchow May 1978

Movements And Activity Patterns Of The Plains Pocket Gopher (Geomys Bursarius) In Nebraska, Dallas Virchow

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Local And Regional Components Of Sensible Heat Advection, Thomas W. Brakke, Shashi B. Verma, Norman J. Rosenberg Feb 1978

Local And Regional Components Of Sensible Heat Advection, Thomas W. Brakke, Shashi B. Verma, Norman J. Rosenberg

School of Natural Resources: Faculty Publications

Detailed knowledge of the advection of sensible heat is necessary to understand the energy balance of the evaporating surface in many parts of the world. Sensible hear advection can result from regional and/or local sources. The local and regional components of sensible heat advection (Aloc and Areg, respectively) are identified and their magnitudes in a semi-arid to sub-humid zone are established in the work reported here. Measurements of dry- and wet-bulb air temperature, wind speed and net radiation were made above an irrigated alfalfa field with relatively dry surrounding upwind at Mead, NE. A modified Bowen ratio-energy balance method which …


Shelter Effects On Growth And Yield Of Corn - Nebraska, U.S.A., James R. Brandle Jan 1978

Shelter Effects On Growth And Yield Of Corn - Nebraska, U.S.A., James R. Brandle

School of Natural Resources: Faculty Publications

No abstract provided.