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Environmental Indicators and Impact Assessment

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2018

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Articles 31 - 36 of 36

Full-Text Articles in Hydrology

Drought Information Services For U.S. Agriculture, National Drought Mitigation Center Jan 2018

Drought Information Services For U.S. Agriculture, National Drought Mitigation Center

National Drought Mitigation Center: Publications

Enhancing U.S. Drought Monitor Services & Products

The USDM's weekly display of drought conditions is an important drought early-warning tool for agricultural producers and USDA professionals. Stakeholders that now rely on the USDM include:

  • National policymakers who use the USDM as a measure for allocation of relief dollars;

  • State governments that refer to the USDM to trigger drought response measures;

  • Planners and researchers studying the effects of past droughts;

  • Media professionals and educators looking for graphic representation of complex climate interactions.

Accurate production of the drought monitor is essential to these users. Production enhancements have increased efficiency for USDM authors, …


Drought And Land-Cover Conditions In The Great Plains, Heather Tollerud, Jesslyn Brown, Thomas Loveland, Rezaul Mahmood, Norman Bliss Jan 2018

Drought And Land-Cover Conditions In The Great Plains, Heather Tollerud, Jesslyn Brown, Thomas Loveland, Rezaul Mahmood, Norman Bliss

HPRCC Personnel Publications

Land–atmosphere interactions play a critical role in the Earth system, and a better understanding of these interactions could improve weather and climate models. The interaction among drought, vegetation productivity, and land cover is of particular significance. In a semiarid environment, such as the U.S. Great Plains, droughts can have a large influence on the productivity of agriculture and grasslands, with serious environmental and economic impacts. Here, we used the vegetation drought response index (VegDRI) drought indicator to investigate the response of vegetation to weather and climate for landcover types in the Great Plains in the United States from 1989 to …


Droughtscape- Winter 2018, National Drought Mitigation Center Jan 2018

Droughtscape- Winter 2018, National Drought Mitigation Center

Droughtscape, Quarterly Newsletter of NDMC, 2007-

CONTENTS

Year in review: Drought eased in California, developed in Northern Plains......... 2

Quarterly Summary: Drought creeps across the country.............. 3

Annual impact summary: A year of wildfires.......... 4

Quarterly impact summary: Drought expands in Texas, Colorado............ 6

Drought and water crisis book updated............... 8

U.S. Drought Monitor available in Spanish........... 9

Study shows cities step up when drought occurs............... 10

New staff at the NDMC............. 11

Drought Summit in photos.............. 12


2018 Ndmc Annual, Mark Svoboda, Kelly Smith, Deborah Bathke, Brian Fuchs, Cody L. Knutson, Tsegaye Tadesse Jan 2018

2018 Ndmc Annual, Mark Svoboda, Kelly Smith, Deborah Bathke, Brian Fuchs, Cody L. Knutson, Tsegaye Tadesse

National Drought Mitigation Center: Publications

Contents
01 From the director
02 Drought preparation toolkit tested in Nebraska available to all
03 Partnerships produce vulnerability assessments for tribes
04 Drought Monitor maps & stats localized for NWS offices
05 Producer workshops focus on latest drought management tools
06 2018 by the numbers
08 Where we were in 2018
10 New web-based form makes submitting drought observations easier
11 Five states began drought plan updates in 2018
12 Project brought drought management, monitoring skills to 4 countries
13 2018 Publication highlights
16 Collaboration
17 Team and partnerships


The Long Term Effect Of Agricultural, Vadose Zone And Climatic Factors On Nitrate Contamination In Nebraska’S Groundwater System, Pongpun Juntakut, Daniel D. Snow, Erin M.K. Haacker, Chittaranjan Ray Jan 2018

The Long Term Effect Of Agricultural, Vadose Zone And Climatic Factors On Nitrate Contamination In Nebraska’S Groundwater System, Pongpun Juntakut, Daniel D. Snow, Erin M.K. Haacker, Chittaranjan Ray

Nebraska Water Center: Faculty Publications

A four-decade dataset (1974–2013) of 107,823 nitrate samples in 25,993 wells from western and eastern parts of Nebraska was used to assess long-term trends of groundwater nitrate concentration and decadal changes in the extent of groundwater nitrate-contaminated areas (NO3-N≥10 mg N/L) over the entire state. Spatial statistics and regressions were used to investigate the relationships between groundwater nitrate concentrations and several potential natural and anthropogenic factors, including soil drainage capacities, vadose zone characteristics, crop production areas, and irrigation systems. The results of this study show that there is no statistically significant trend in groundwater nitrate concentrations …


Understanding The Food Water Nexus: Characterizing The Impact Of Climatological Anomalies On Agrosystems, Patrick M. Wurster Jr. Jan 2018

Understanding The Food Water Nexus: Characterizing The Impact Of Climatological Anomalies On Agrosystems, Patrick M. Wurster Jr.

Graduate Student Theses, Dissertations, & Professional Papers

Climate variability at global and regional scales is escalating with increased atmospheric carbon and is expected to magnify the intensity and duration of meteorological extremes, especially droughts. From the many environmental stresses that diminish crop production (e.g., soil salinity, frost, soil erosion) drought is one of the most prevalent. This study focuses on the sensitivity of three key crops produced in the northwestern United States to climatological anomalies, while controlling for attribution using anomalies in price. The study differs from similar studies in that we focus on variability in production which captures both yield (tonnes/ha) and cropping area (ha), as …