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Articles 2701 - 2730 of 4501

Full-Text Articles in Other Environmental Sciences

Impact Of A Changing Climate On Fine Particulate Concentrations In Butte, Mt, Christopher Atherly Apr 2015

Impact Of A Changing Climate On Fine Particulate Concentrations In Butte, Mt, Christopher Atherly

Graduate Theses & Non-Theses

A model was developed to assess the potential change in PM2.5 concentrations in Butte, Montana over the course of the 21st century as the result of climate change and changes in emissions. The EPA AERMOD regulatory model was run using NARCCAP climate data for the years of 2040, 2050, 2060 and 2070, and the results were compared to the NAAQS to determine if there is the potential for future impacts to human health. This model predicted an average annual concentration of 15.84 µg/m3 in the year 2050, which would exceed the primary NAAQS of 12 µg/m3 …


Drougthscape, Spring 2015, Kelly Smith Apr 2015

Drougthscape, Spring 2015, Kelly Smith

DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)

Contents

Director’s column.

South Plains ranch workshops 3

First quarter drought summary

First quarter impacts summary

Gary’s favorite pond, D1-4

NDMC’s Haigh leads U2U pubs

SW Montana watersheds convene

Wind River monitors drought

Morocco’s new drought index

Northeast Brazil drought monitoring

EU’s drought initiative

U.S. Drought Monitor Forum

How Colorado tourism coped in 2012


Existential Avalanche The Lived Experience Of Climate Change In Dolpo And Mustang, Nepal, Keegan Mcchesney Apr 2015

Existential Avalanche The Lived Experience Of Climate Change In Dolpo And Mustang, Nepal, Keegan Mcchesney

Independent Study Project (ISP) Collection

Himalayan communities stand precariously in an era of phenomenological uncertainty. Climate change is merely a lens through which we may observe and begin to understand such localized modern complexities. The people of the Tarap Valley in Dolpo, Nepal have experienced an increase in avalanches, snow leopard attacks and unpredictable precipitation patterns in recent years. In upper Mustang, Nepal, people have endured the harshest winter in generations and suffered from reduced water access. Environmental, climatic and weather related changes in both Himalayan districts have severely impacted traditional livelihoods and led some to adopt modern means of adaptation. Despite the scientific evidence …


On Nine Mile, Allen Morris Apr 2015

On Nine Mile, Allen Morris

School of Art, Art History, and Design: Theses and Student Creative Work

The photographs of On Nine Mile were made to explore my developing relationship with the place I now inhabit. They compare the reality of a place against preconception and actual experience versus idealized expectations. I made this work to help understand a landscape to which I was transplanted and to which I had no connection. This exhibition is comprised of photographs taken at a section of untilled prairie called Nine Mile that most closely resembled my visual preconception of the Great Plains. I grew up in the Pacific Northwest surrounded by the mountains, forests, and shoreline that typify the landscape …


U.S. Drought Monitor, March 31, 2015, Eric Luebehusen Mar 2015

U.S. Drought Monitor, March 31, 2015, Eric Luebehusen

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for March 31, 2015 (3/31/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, March 24, 2015, Eric Luebehusen Mar 2015

U.S. Drought Monitor, March 24, 2015, Eric Luebehusen

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for March 24, 2015 (3/24/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, March 17, 2015, Chris Fenimore Mar 2015

U.S. Drought Monitor, March 17, 2015, Chris Fenimore

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for March 17, 2015 (3/17/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, March 10, 2015, Matthew Rosencrans Mar 2015

U.S. Drought Monitor, March 10, 2015, Matthew Rosencrans

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for March 10, 2015 (3/10/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


Development Modeling Of Lucilia Sericata (Diptera: Calliphoridae), Amanda Roe, Leon G. Higley Mar 2015

Development Modeling Of Lucilia Sericata (Diptera: Calliphoridae), Amanda Roe, Leon G. Higley

School of Natural Resources: Faculty Publications

The relationship between insect development and temperature has been well established and has a wide range of uses, including the use of blow flies for postmortem (PMI) interval estimations in death investigations. To use insects in estimating PMI, we must be able to determine the insect age at the time of discovery and backtrack to time of oviposition. Unfortunately, existing development models of forensically important insects are only linear approximations and do not take into account the curvilinear properties experienced at extreme temperatures. A series of experiments were conducted with Lucilia sericata, a forensically important blow fly species, that met …


Joint Control Of Terrestrial Gross Primary Productivity By Plant Phenology And Physiology, Jianyang Xia, Shuli Niu, Philippe Ciais, Ivan A. Janssens, Jiquan Chen, Christof Ammann, Altaf Arain, Peter D. Blanken, Alessandro Cescatti, Damien Bonal, Nina Buchmann, Peter S. Curtis, Shiping Chen, Jinwei Dong, Lawrence B. Flanagan, Christian Frankenberg, Teodoro Georgiadis, Christopher M. Gough, Dafeng Hui, Gerard Kiely, Jianwei Li, Magnus Lund, Vincenzo Magliulo, Barbara Marcolla, Lutz Merbold, Leonardo Montagnani, Eddy J. Moors, Jorgen E. Olesen, Shilong Piao, Antonio Raschi, Oliver Roupsard, Andrew E. Suyker, Marek Urbaniak, Francesco P. Vaccari, Andrej Varlagin, Timo Vesala, Matthew Wilkinson, Ensheng Weng, Georg Wohlfahrt, Liming Yan, Yiqi Luo Mar 2015

Joint Control Of Terrestrial Gross Primary Productivity By Plant Phenology And Physiology, Jianyang Xia, Shuli Niu, Philippe Ciais, Ivan A. Janssens, Jiquan Chen, Christof Ammann, Altaf Arain, Peter D. Blanken, Alessandro Cescatti, Damien Bonal, Nina Buchmann, Peter S. Curtis, Shiping Chen, Jinwei Dong, Lawrence B. Flanagan, Christian Frankenberg, Teodoro Georgiadis, Christopher M. Gough, Dafeng Hui, Gerard Kiely, Jianwei Li, Magnus Lund, Vincenzo Magliulo, Barbara Marcolla, Lutz Merbold, Leonardo Montagnani, Eddy J. Moors, Jorgen E. Olesen, Shilong Piao, Antonio Raschi, Oliver Roupsard, Andrew E. Suyker, Marek Urbaniak, Francesco P. Vaccari, Andrej Varlagin, Timo Vesala, Matthew Wilkinson, Ensheng Weng, Georg Wohlfahrt, Liming Yan, Yiqi Luo

School of Natural Resources: Faculty Publications

Terrestrial gross primary productivity (GPP) varies greatly over time and space. A better understanding of this variability is necessary for more accurate predictions of the future climate–carbon cycle feedback. Recent studies have suggested that variability in GPP is driven by a broad range of biotic and abiotic factors operating mainly through changes in vegetation phenology and physiological processes. However, it is still unclear how plant phenology and physiology can be integrated to explain the spatiotemporal variability of terrestrial GPP. Based on analyses of eddy–covariance and satellite-derived data, we decomposed annual terrestrial GPP into the length of the CO2 uptake period …


U.S. Drought Monitor, March 3, 2015, David Simeral Mar 2015

U.S. Drought Monitor, March 3, 2015, David Simeral

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for March 3, 2015 (3/3/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2014 Annual Report, Michael Prowatzke, Stephen K. Wilson Mar 2015

Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2014 Annual Report, Michael Prowatzke, Stephen K. Wilson

United States National Park Service: Publications

Abstract

This report presents the results of vegetation monitoring efforts in 2014 at Agate Fossil Beds National Monument (AGFO) by the Northern Great Plains Inventory and Monitoring Network (NGPN).

During the fourth full year of field work, crew members from NGPN visited six plant community monitoring plots to collect data on the vegetation at AGFO. This is part of a long-term monitoring effort that will sample six of 15 randomly located upland plots every year, so that each plot is visited for two consecutive years and then rested for three years, on a five-year rotating basis. NGPN staff captured data …


Karst Porosity Estimations From Archive Cave Surveys - Studies In The Buda Thermal Karst System (Hungary), Gáspár Albert, Magdolna Virág, Anita Erőss Feb 2015

Karst Porosity Estimations From Archive Cave Surveys - Studies In The Buda Thermal Karst System (Hungary), Gáspár Albert, Magdolna Virág, Anita Erőss

International Journal of Speleology

The Buda Thermal Karst System is located under the densely populated hills of Budapest. One of its caves (Pál-völgy Cave System) is the longest cave of Hungary with 30.1 km. The research was done in this area as a methodological study to estimate karst porosity parameters of aquifers or hydrocarbon reservoirs. In this study two modeling methods are demonstrated. The volumetric modeling method was primarily aimed to determine the macro-scale (>0.5 m) conduit porosity (referred as macroporosity) of the study area as percentage of the incorporating limestone and marl. This method is based on archive survey data (maps and …


U.S. Drought Monitor, February 24, 2015, Richard R. Heim Jr. Feb 2015

U.S. Drought Monitor, February 24, 2015, Richard R. Heim Jr.

United States Agricultural Commodities in Drought Archive

Drought map of the United States for February 24, 2015 (2/24/15) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.


U.S. Drought Monitor, February 17, 2015, Richard R. Heim Jr. Feb 2015

U.S. Drought Monitor, February 17, 2015, Richard R. Heim Jr.

United States Agricultural Commodities in Drought Archive

Drought map of the United States for February 17, 2015 (2/17/15) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.


U.S. Drought Monitor, February 10, 2015, David Simeral Feb 2015

U.S. Drought Monitor, February 10, 2015, David Simeral

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for February 10, 2015 (2/10/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, February 3, 2015, Brian Fuchs Feb 2015

U.S. Drought Monitor, February 3, 2015, Brian Fuchs

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for February 3, 2015 (2/3/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


Productivity, Absorbed Photosynthetically Active Radiation, And Light Use Efficiency In Crops: Implications For Remote Sensing Of Crop Primary Production, Anatoly A. Gitelson, Yi Peng, Timothy J. Arkebauer, Andrew E. Suyker Feb 2015

Productivity, Absorbed Photosynthetically Active Radiation, And Light Use Efficiency In Crops: Implications For Remote Sensing Of Crop Primary Production, Anatoly A. Gitelson, Yi Peng, Timothy J. Arkebauer, Andrew E. Suyker

School of Natural Resources: Faculty Publications

Vegetation productivity metrics such as gross primary production (GPP) at the canopy scale are greatly affected by the efficiency of using absorbed radiation for photosynthesis, or light use efficiency (LUE). Thus, close investigation of the relationships between canopy GPP and photosynthetically active radiation absorbed by vegetation is the basis for quantification of LUE. We used multiyear observations over irrigated and rainfed contrasting C3 (soybean) and C4 (maize) crops having different physiology, leaf structure, and canopy architecture to establish the relationships between canopy GPP and radiation absorbed by vegetation and quantify LUE. Although multiple LUE definitions are reported in the literature, …


Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2014 Annual Report, Michael Prowatzke, Stephen K. Wilson Feb 2015

Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2014 Annual Report, Michael Prowatzke, Stephen K. Wilson

United States National Park Service: Publications

Abstract

This report presents the results of vegetation monitoring efforts in 2014 at Scotts Bluff National Monument (SCBL) by the Northern Great Plains Inventory and Monitoring Network (NGPN).

During the fourth full year of field work, crew members from NGPN visited eight plant community monitoring plots to collect data on the vegetation at SCBL. This is part of a long-term monitoring effort that will sample eight of 20 randomly located upland plots every year, so that each plot is visited for two consecutive years and then rested for three years, on a five-year rotating basis. Additionally, NGPN staff also visited …


U.S. Drought Monitor, January 27, 2015, Brian Fuchs Jan 2015

U.S. Drought Monitor, January 27, 2015, Brian Fuchs

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for January 27, 2015 (1/27/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, January 20, 2015, Richard Tinker Jan 2015

U.S. Drought Monitor, January 20, 2015, Richard Tinker

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for January 20, 2015 (1/20/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, January 13, 2015, Richard Tinker Jan 2015

U.S. Drought Monitor, January 13, 2015, Richard Tinker

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for January 13, 2015 (1/13/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


U.S. Drought Monitor, January 6, 2015, Brad Rippey Jan 2015

U.S. Drought Monitor, January 6, 2015, Brad Rippey

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for January 6, 2015 (1/6/15) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.


An Anomaly-Based Method For Identifying Signals Of Spring And Autumn Low-Temperature Events In The Yangtze River Valley, China, Weihong Qian, Yun Cheng, Man Jiang, Qi Hu Jan 2015

An Anomaly-Based Method For Identifying Signals Of Spring And Autumn Low-Temperature Events In The Yangtze River Valley, China, Weihong Qian, Yun Cheng, Man Jiang, Qi Hu

School of Natural Resources: Faculty Publications

June 2015 QIAN ET AL. Vol. 54 1216-1233


Eeflux: A Landsat-Based Evapotranspiration Mapping Tool On The Google Earth Engine, Richard Allen, Charles Morton, Baburao Kamble, Ayse Kilic, Justin Huntington, David Thau, Noel Gorelick, Tyler Erickson, Rebecca Moore, Ricardo Trezza, Ian C. Ratcliffe, Clarence Robison Jan 2015

Eeflux: A Landsat-Based Evapotranspiration Mapping Tool On The Google Earth Engine, Richard Allen, Charles Morton, Baburao Kamble, Ayse Kilic, Justin Huntington, David Thau, Noel Gorelick, Tyler Erickson, Rebecca Moore, Ricardo Trezza, Ian C. Ratcliffe, Clarence Robison

School of Natural Resources: Faculty Publications

“EEFlux” is an acronym for ‘Earth Engine Evapotranspiration Flux.’ EEFlux is based on the operational surface energy balance model “METRIC” (Mapping ET at high Resolution with Internalized Calibration), and is a Landsat-imagebased process. Landsat imagery supports the production of ET maps at resolutions of 30 m, which is the scale of many human-impacted and human-interest activities including agricultural fields, forest clearcuts and vegetation systems along streams. ET over extended time periods provides valuable information regarding impacts of water consumption on Earth resources and on humans. EEFlux uses North American Land Data Assimilation System hourly gridded weather data collection for energy …


Fitting Measured Evapotranspiration Data To The Fao56 Dual Crop Coefficient Method, R G. Allen, Ayse Kilic, Andrew Suyker, Jane A. Okalebo Jan 2015

Fitting Measured Evapotranspiration Data To The Fao56 Dual Crop Coefficient Method, R G. Allen, Ayse Kilic, Andrew Suyker, Jane A. Okalebo

School of Natural Resources: Faculty Publications

The FAO-56 publication of the UN Food and Agriculture Organization contains guidelines on constructing and applying a ‘dual crop coefficient’ method to characterize the behavior of evapotranspiration (ET) on a day to day basis. The dual crop coefficient (Kc) method substantially improves the ability to fit simulated with measured data, as compared to the ‘single’ Kc method, by partitioning evaporation from soil (Es) from transpiration from vegetation. This permits the separate estimation of Es when there are known wetting events from precipitation and irrigation and assists in explaining behavior of measured data. The application of the dual Kc method is …


Density Dependent Double Brooding In Piping Plovers (Charadrius Melodus) In The Northern Great Plains, Usa, Kelsi L. Hunt, Lauren R. Dinan, Meryl J. Friedrich, Mary Bomberger Brown, Joel G. Jorgensen, Daniel H. Catlin, James D. Fraser Jan 2015

Density Dependent Double Brooding In Piping Plovers (Charadrius Melodus) In The Northern Great Plains, Usa, Kelsi L. Hunt, Lauren R. Dinan, Meryl J. Friedrich, Mary Bomberger Brown, Joel G. Jorgensen, Daniel H. Catlin, James D. Fraser

School of Natural Resources: Faculty Publications

Piping Plovers (Charadrius melodus) are primarily monogamous birds that usually raise only one brood per season, but rare instances of double brooding have been documented. Piping Plovers breeding in the northern Great Plains, USA were studied in two locations: the Missouri River near the Gavins Point Dam (2005- 2013) and the lower Platte River (2008-2013). There were 25 confirmed instances of double brooding on the Missouri River across the 9-year duration of the study. There were no instances of double brooding observed locally on the lower Platte River. However, in 2013, two female Piping Plovers successfully hatched eggs …


Evaluating Recreationists’ Awareness And Attitudes Toward Piping Plovers (Charadrius Melodus) At Lake Mcconaughy, Nebraska, Usa, Joel G. Jorgensen, Mary Bomberger Brown Jan 2015

Evaluating Recreationists’ Awareness And Attitudes Toward Piping Plovers (Charadrius Melodus) At Lake Mcconaughy, Nebraska, Usa, Joel G. Jorgensen, Mary Bomberger Brown

School of Natural Resources: Faculty Publications

Piping plovers (Charadrius melodus) are shorebirds federally protected by the U.S. Endangered Species Act that often nest on beaches in proximity to human recreation. We evaluated whether awareness of piping plovers and their legally protected status and attitudes toward species management varied between groups of recreationists at Lake McConaughy, Keith County, Nebraska, USA. Awareness of piping plovers varied primarily by the respondents’ number of annual visits to Lake McConaughy; the respondents’ age, sex, or location of primary residence had less influence. Recreationists with increased awareness of piping plovers and their protected status did not have more favorable attitudes toward plovers …


Space Use, Daily Movements, And Roosting Behavior Of Male Wild Turkeys During Spring In Louisiana And Texas, John T. Gross, Andrew R. Little, Bret A. Collier, Michael J. Chamberlain Jan 2015

Space Use, Daily Movements, And Roosting Behavior Of Male Wild Turkeys During Spring In Louisiana And Texas, John T. Gross, Andrew R. Little, Bret A. Collier, Michael J. Chamberlain

School of Natural Resources: Faculty Publications

Because wild turkeys (Meleagris gallopavo) are an important game species and turkey hunter numbers are increasing, the need for better information on how turkeys use their environment is critical. With the recent advent of GPS technology suitable for use on wild turkeys, we are now able to collect data on a scale not previously possible. We used backpack style GPS units to detail home range and core area sizes, daily movement distances, and roosting characteristics of male Eastern (M. g. silvestris) and Rio Grande (M. g. intermedia) wild turkeys in Louisiana and Texas. Mean …


Habitat Characteristics Of Eastern Wild Turkey Nest And Ground-Roost Sites In 2 Longleaf Pine Forests, Mary M. Streich, Andrew R. Little, Michael J. Chamberlain, L. Mike Connor, Robert J. Warren Jan 2015

Habitat Characteristics Of Eastern Wild Turkey Nest And Ground-Roost Sites In 2 Longleaf Pine Forests, Mary M. Streich, Andrew R. Little, Michael J. Chamberlain, L. Mike Connor, Robert J. Warren

School of Natural Resources: Faculty Publications

Managing and restoring longleaf pine forests throughout the Southeast is a conservation priority. Prescribed fire is an integral part of these activities, as it is the primary means of controlling hardwood encroachment and maintaining native groundcover. Nest site and preflight brood groundroost site selection of eastern wild turkeys (Meleagris gallopavo silvestris) has not been well studied in longleaf pine systems. Therefore, we determined habitat characteristics associated with wild turkey nests and ground-roosts in 2 longleaf pine forests in southwestern Georgia. We radio-tagged 45 female turkeys and evaluated habitat characteristics associated with 84 nests and 51 ground-roosts during the …