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Full-Text Articles in Physical Sciences and Mathematics

U.S. Drought Monitor, December 27, 2016, Brad Rippey Dec 2016

U.S. Drought Monitor, December 27, 2016, Brad Rippey

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for December 27, 2016 (12/27/16) 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 Scotts Bluff National Monument, 2016 Data Report, Molly B. Davis, Daniel J. Swanson Dec 2016

Plant Community Composition And Structure Monitoring For Scotts Bluff National Monument, 2016 Data Report, Molly B. Davis, Daniel J. Swanson

United States National Park Service: Publications

Abstract

This report presents the results of vegetation monitoring efforts in 2016 at Scotts Bluff National Monument (SCBL) by the Northern Great Plains Inventory and Monitoring Network (NGPN) and Northern Great Plains Fire Ecology Program (NGPFire).

During the sixth full year of field work, crew members from NGPN visited eight long-term monitoring plots on May 23-25, 2016 to collect data on the plant communities at SCBL. This is part of a long-term monitoring effort to better understand the condition of the vegetation at SCBL. NGPN staff captured data relating to species richness, herb-layer height, abundance of individual native and non-native …


Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2016 Data Report, Aaron T. Rasor, Daniel J. Swanson Dec 2016

Plant Community Composition And Structure Monitoring For Agate Fossil Beds National Monument, 2016 Data Report, Aaron T. Rasor, Daniel J. Swanson

United States National Park Service: Publications

Abstract

This report presents the results of vegetation monitoring efforts in 2016 at Agate Fossil Beds National Monument (AGFO) by the Northern Great Plains Inventory and Monitoring Network (NGPN).

During the sixth full year of field work, crew members from NGPN visited six long-term plant community monitoring (PCM) plots and the Northern Great Plains Fire Effects Crew (NGPFire) visited nine fire plant community monitoring (FPCM) plots to collect data on the plant communities at AGFO. This effort is part of a long-term monitoring program established to better understand the condition of the mixed-grass prairie, riparian, and upland regions in AGFO. …


U.S. Drought Monitor, November 22, 2016, Richard R. Heim Jr. Nov 2016

U.S. Drought Monitor, November 22, 2016, Richard R. Heim Jr.

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for November 22, 2016 (11/22/16) 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.


Benchmark Levels For The Consumptive Water Footprint Of Crop Production For Different Environmental Conditions: A Case Study For Winter Wheat In China, La Zhuo, Mesfin Mekonnen, Arjen Y. Hoekstra Nov 2016

Benchmark Levels For The Consumptive Water Footprint Of Crop Production For Different Environmental Conditions: A Case Study For Winter Wheat In China, La Zhuo, Mesfin Mekonnen, Arjen Y. Hoekstra

Daugherty Water for Food Global Institute: Faculty Publications

Meeting growing food demands while simultaneously shrinking the water footprint (WF) of agricultural production is one of the greatest societal challenges. Benchmarks for the WF of crop production can serve as a reference and be helpful in setting WF reduction targets. The consumptive WF of crops, the consumption of rainwater stored in the soil (green WF), and the consumption of irrigation water (blue WF) over the crop growing period varies spatially and temporally depending on environmental factors like climate and soil. The study explores which environmental factors should be distinguished when determining benchmark levels for the consumptive WF of crops. …


U.S. Drought Monitor, November 15, 2016, Richard R. Heim Jr. Nov 2016

U.S. Drought Monitor, November 15, 2016, Richard R. Heim Jr.

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for November 15, 2016 (11/15/16) 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, November 8, 2016, Deborah J. Bathke Nov 2016

U.S. Drought Monitor, November 8, 2016, Deborah J. Bathke

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for November 8, 2016 (11/8/16) 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, November 1, 2016, Deborah J. Bathke Nov 2016

U.S. Drought Monitor, November 1, 2016, Deborah J. Bathke

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for November 1, 2016 (11/1/16) 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, October 25, 2016, David Simeral Oct 2016

U.S. Drought Monitor, October 25, 2016, David Simeral

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for October 25, 2016 (10/25/16) 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, October 4, 2016, Brian Fuchs Oct 2016

U.S. Drought Monitor, October 4, 2016, Brian Fuchs

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for October 4, 2016 (10/4/16) 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, September 27, 2016, Chris Fenimore Sep 2016

U.S. Drought Monitor, September 27, 2016, Chris Fenimore

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for September 27, 2016 (9/27/16) 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, September 20, 2016, Anthony Artusa Sep 2016

U.S. Drought Monitor, September 20, 2016, Anthony Artusa

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for September 20, 2016 (9/20/16) 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, September 13, 2016, Eric Luebehusen Sep 2016

U.S. Drought Monitor, September 13, 2016, Eric Luebehusen

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for September 13, 2016 (9/13/16) 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, August 30, 2016, Chris Fenimore Aug 2016

U.S. Drought Monitor, August 30, 2016, Chris Fenimore

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for August 30, 2016 (8/30/16) 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, August 23, 2016, Brad Rippey Aug 2016

U.S. Drought Monitor, August 23, 2016, Brad Rippey

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for August 23, 2016 (8/23/16) 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, August 16, 2016, David Miskus Aug 2016

U.S. Drought Monitor, August 16, 2016, David Miskus

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for August 16, 2016 (8/16/16) 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, August 9, 2016, Richard Tinker Aug 2016

U.S. Drought Monitor, August 9, 2016, Richard Tinker

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for August 9, 2016 (8/9/16) 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, August 2, 2016, Richard Tinker Aug 2016

U.S. Drought Monitor, August 2, 2016, Richard Tinker

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for August 2, 2016 (8/2/16) 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.


Panarchy Use In Environmental Science For Risk And Resilience Planning, David G. Angeler, Craig R. Allen, Ahjond S. Garmestani, Lance H. Gunderson, Igor Linkov Aug 2016

Panarchy Use In Environmental Science For Risk And Resilience Planning, David G. Angeler, Craig R. Allen, Ahjond S. Garmestani, Lance H. Gunderson, Igor Linkov

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

Environmental sciences have an important role in informing sustainable management of built environments by providing insights about the drivers and potentially negative impacts of global environmental change. Here, we discuss panarchy theory, a multi-scale hierarchical concept that accounts for the dynamism of complex socio-ecological systems, especially for those systems with strong cross-scale feedbacks. The idea of panarchy underlies much of system resilience, focusing on how systems respond to known and unknown threats. Panarchy theory can provide a framework for qualitative and quantitative research and application in the environmental sciences, which can in turn inform the ongoing efforts in sociotechnical resilience …


U.S. Drought Monitor, July 26, 2016, Brad Rippey Jul 2016

U.S. Drought Monitor, July 26, 2016, Brad Rippey

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for July 26, 2016 (7/26/16) 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, July 19, 2016, Chris Fenimore Jul 2016

U.S. Drought Monitor, July 19, 2016, Chris Fenimore

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for July 19, 2016 (7/19/16) 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, July 12, 2016, David Miskus Jul 2016

U.S. Drought Monitor, July 12, 2016, David Miskus

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for July 12, 2016 (7/12/16) 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, July 5, 2016, David Miskus Jul 2016

U.S. Drought Monitor, July 5, 2016, David Miskus

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for July 5, 2016 (7/5/16) 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, June 28, 2016, Eric Luebehusen Jun 2016

U.S. Drought Monitor, June 28, 2016, Eric Luebehusen

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for June 28, 2016 (6/28/16) 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, June 21, 2016, Eric Luebehusen Jun 2016

U.S. Drought Monitor, June 21, 2016, Eric Luebehusen

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for June 21, 2016 (6/21/16) 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.


Modeling Of Soybean Under Present And Future Climates In Mozambique, Manuel António Dina Talacuece, Flávio Barbosa Justino, Rafael De Ávila Rodrigues, Milton Edgar Pereira Flores, Jéssica Garcia Nascimento, Eduardo Eduardo Santos Jun 2016

Modeling Of Soybean Under Present And Future Climates In Mozambique, Manuel António Dina Talacuece, Flávio Barbosa Justino, Rafael De Ávila Rodrigues, Milton Edgar Pereira Flores, Jéssica Garcia Nascimento, Eduardo Eduardo Santos

Daugherty Water for Food Global Institute: Faculty Publications

This study aims to calibrate and validate the generic crop model (CROPGRO-Soybean) and estimate the soybean yield, considering simulations with different sowing times for the current period (1990–2013) and future climate scenario (2014–2030). The database used came from observed data, nine climate models of CORDEX (Coordinated Regional climate Downscaling Experiment)-Africa framework and MERRA (Modern Era Retrospective-Analysis for Research and Applications) reanalysis. The calibration and validation data for the model were acquired in field experiments, carried out in the 2009/2010 and 2010/2011 growing seasons in the experimental area of the International Institute of Tropical Agriculture (IITA) in Angónia, Mozambique. The yield …


U.S. Drought Monitor, June 7, 2016, Deborah J. Bathke Jun 2016

U.S. Drought Monitor, June 7, 2016, Deborah J. Bathke

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for June 7, 2016 (6/7/16) 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, May 24, 2016, David Simeral May 2016

U.S. Drought Monitor, May 24, 2016, David Simeral

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for May 24, 2016 (5/24/16) 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, May 17, 2016, David Simeral May 2016

U.S. Drought Monitor, May 17, 2016, David Simeral

United States Agricultural Commodities in Drought Archive

Drought map of U.S. for May 17, 2016 (5/17/16) 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.


The Use Of Semi-Structured Interviews For The Characterisation Of Farmer Irrigation Practices, Jimmy O’Keeffe, Wouter Buytaert, Ana Mijic, N. Brozovic, Rajiv Sinha May 2016

The Use Of Semi-Structured Interviews For The Characterisation Of Farmer Irrigation Practices, Jimmy O’Keeffe, Wouter Buytaert, Ana Mijic, N. Brozovic, Rajiv Sinha

Daugherty Water for Food Global Institute: Faculty Publications

For the development of sustainable and realistic water security, generating information on the behaviours, characteristics, and drivers of users, as well as on the resource itself, is essential. In this paper we present a methodology for collecting qualitative and quantitative data on water use practices through semi-structured interviews. This approach facilitates the collection of detailed information on actors’ decisions in a convenient and cost-effective manner. Semi-structured interviews are organised around a topic guide, which helps lead the conversation in a standardised way while allowing sufficient opportunity for relevant issues to emerge. In addition, they can be used to obtain certain …