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Articles 1 - 30 of 150
Full-Text Articles in Physical Sciences and Mathematics
U.S. Drought Monitor, December 31, 2013, Matthew Rosencrans
U.S. Drought Monitor, December 31, 2013, Matthew Rosencrans
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 31, 2013 (12/31/13) 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, December 24, 2013, Matthew Rosencrans
U.S. Drought Monitor, December 24, 2013, Matthew Rosencrans
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 24, 2013 (12/24/13) 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: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, December 17, 2013, Mark D. Svoboda
U.S. Drought Monitor, December 17, 2013, Mark D. Svoboda
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 17, 2013 (12/17/13) 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, December 10, 2013, Michael J. Brewer
U.S. Drought Monitor, December 10, 2013, Michael J. Brewer
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 10, 2013 (12/10/13) 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.
Marine Diatom Assemblage Variation Across Pleistocene Glacial-Interglacial Transitions And Neogene Diatom Biostratigraphy Of Site C9001, Nw Pacific Ocean, Marcella K. Purkey
Marine Diatom Assemblage Variation Across Pleistocene Glacial-Interglacial Transitions And Neogene Diatom Biostratigraphy Of Site C9001, Nw Pacific Ocean, Marcella K. Purkey
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
In 2006, D/V-Chikyu cruise CK06-06 drilled Hole C9001C at Site C9001 in the Northwest Pacific Ocean, 80 km east of the Shimokita Peninsula, Japan. An existing chronostratigraphic framework provides a continuous glacial-interglacial (GI) climate record from which a diatom record of paleoenvironmental changes was developed across several GI cycles. Species counts, diatom temperature values, calculated sea-surface temperatures (SST) and factor analysis were produced for each sample and calibrated to prior diatom studies in this region. These features were used to characterize and compare interglacial maxima of Marine Isotope Stages (MIS) 1, 5e, 9 and 11 and transitions from the preceding …
U.S. Drought Monitor, December 3, 2013, Michael J. Brewer
U.S. Drought Monitor, December 3, 2013, Michael J. Brewer
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 3, 2013 (12/3/13) 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.
Drainage Structure Datasets And Effects On Lidar-Derived Surface Flow Modeling, Ruopu Li, Zhenghong Tang, Xu Li, Jessie Winter
Drainage Structure Datasets And Effects On Lidar-Derived Surface Flow Modeling, Ruopu Li, Zhenghong Tang, Xu Li, Jessie Winter
School of Natural Resources: Faculty Publications
With extraordinary resolution and accuracy, Light Detection and Ranging (LiDAR)-derived digital elevation models (DEMs) have been increasingly used for watershed analyses and modeling by hydrologists, planners and engineers. Such high-accuracy DEMs have demonstrated their effectiveness in delineating watershed and drainage patterns at fine scales in low-relief terrains. However, these high-resolution datasets are usually only available as topographic DEMs rather than hydrologic DEMs, presenting greater land roughness that can affect natural flow accumulation. Specifically, locations of drainage structures such as road culverts and bridges were simulated as barriers to the passage of drainage. This paper proposed a geospatial method for producing …
Hydrochemical Investigation Of A Transient Parafluvial Zone Under Drought Conditions, Platte River, Nebraska, Audrey R. Boerner
Hydrochemical Investigation Of A Transient Parafluvial Zone Under Drought Conditions, Platte River, Nebraska, Audrey R. Boerner
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Shallow groundwater (0.5 m -1.2 m deep) beneath a vegetated and non-vegetated fluvial island was observed in the lower Platte River, Nebraska, USA during exceptional summer drought. Over the course of three months, sub-hourly measurements of hydraulic head, and weekly measurements of redox indicators, δ2H, δ18O, and dissolved gases were analyzed together with nitrogen and carbon species from an array of shallow piezometers in the river bed and islands. These data were compared with the same parameters collected from a 15 m-deep riparian borehole. Vertical hydraulic gradients in the island piezometers indicated the vertical component to …
Improving Time Structure Patterns Of Orthogonal Markov Chains And Its Consequences In Hydraulic Simulations, Juan C. Jaimes-Correa
Improving Time Structure Patterns Of Orthogonal Markov Chains And Its Consequences In Hydraulic Simulations, Juan C. Jaimes-Correa
School of Natural Resources: Dissertations, Theses, and Student Research
Rainfall1 occurrences understood as rain events are relevant for agricultural practices because temporal distribution of rainfall highly affects yield production. A few stochastic models satisfactorily generate daily rainfall events while preserving temporal and spatial dependence among multiple sites. I evaluated an extension on the traditional Orthogonal Markov chain (TOMC) model in reproducing the temporal structure of rainfall events at multiple sites in Florida (FL), Nebraska (NE) and California (CA). In addition, a simulation of watershed runoff from rainfall events, reproduced by a single- and multi-site weather generator, was conducted. Results shows that (i) a temporal structure extended …
Umphlett Qci Dec 2013, Natalie A. Umphlett
Umphlett Qci Dec 2013, Natalie A. Umphlett
High Plains Regional Climate Center: Personnel Publications
Highlights for the Basin
Temperature and Precipitation Anomalies
Soil Moisture
September Flooding in Colorado
Early October Blizzard
3-Month Precipitation and Temperature Outlooks
U.S. Seasonal Drought Outlook
U.S. Drought Monitor, November 26, 2013, Richard R. Heim Jr.
U.S. Drought Monitor, November 26, 2013, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 26, 2013 (11/26/13) 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 19, 2013, Richard R. Heim Jr.
U.S. Drought Monitor, November 19, 2013, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 19, 2013 (11/19/13) 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 12, 2013, David Simeral
U.S. Drought Monitor, November 12, 2013, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 12, 2013 (11/12/13) 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 5, 2013, David Simeral
U.S. Drought Monitor, November 5, 2013, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 5, 2013 (11/5/13) 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 29, 2013, Brian Fuchs
U.S. Drought Monitor, October 29, 2013, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 29, 2013 (10/29/13) 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 22, 2013, Brian Fuchs
U.S. Drought Monitor, October 22, 2013, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 22, 2013 (10/22/13) 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 15, 2013, Richard Tinker
U.S. Drought Monitor, October 15, 2013, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 15, 2013 (10/15/13) 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.
Examining The Relationship Between Drought Development And Rapid Changes In The Evaporative Stress Index, Jason A. Otkin, Martha C. Anderson, Christopher Hain, Mark D. Svoboda
Examining The Relationship Between Drought Development And Rapid Changes In The Evaporative Stress Index, Jason A. Otkin, Martha C. Anderson, Christopher Hain, Mark D. Svoboda
Drought Mitigation Center: Faculty Publications
In this study, the ability of a new drought metric based on thermal infrared remote sensing imagery to provide early warning of an elevated risk for drought intensification is assessed. This new metric, called the rapid change index (RCI), is designed to highlight areas undergoing rapid changes in moisture stress as inferred from weekly changes in the evaporative stress index (ESI) generated using the Atmosphere–Land Exchange Inverse (ALEXI) surface energy balance model. Two case study analyses across the central United States revealed that the initial appearance of negative RCI values indicative of rapid increases in moisture stress preceded the introduction …
U.S. Drought Monitor, October 8, 2013, Richard Tinker
U.S. Drought Monitor, October 8, 2013, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 8, 2013 (10/8/13) 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 1, 2013, David Miskus
U.S. Drought Monitor, October 1, 2013, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 1, 2013 (10/1/13) 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.
Planning And Drought, James C. Schwab
Planning And Drought, James C. Schwab
National Drought Mitigation Center: Publications
TABLE OF CONTENTS
Chapter 1: Drought: The Problem.............................................. 1
Water Impacts ............................................................................... 2
Public Health Impacts ......................................................... 4
Environmental Impacts ..................................................... 5
Built Environment Impacts................................................ 6
Secondary Hazards ......................................................... 9
Economic Impacts ................................................................... 10
Drought as a Challenge for Planners .......................................... 13
Chapter 2: Drought: The Knowledge Base ................................................... 15
Spatial and Seasonal Patterns of Drought ................................................................ 16
Drought and Climate Changes .................................................................................. 19
Tracking Drought: Tools and Resources ................................................................... 20
Using the Drought Resources Toolbox...................................................................... 22
Droughtscape- Fall 2013, National Drought Mitigation Center
Droughtscape- Fall 2013, National Drought Mitigation Center
Droughtscape, Quarterly Newsletter of NDMC, 2007-
CONTENTS
Director’s Report ....................1
Kansas community drought planning workshop Nov. 5 ...... 2
Drought impacts webinars .....3
Drought outlook & summary ... 4
Late summer drought brings more agricultural impacts ....... 6
Plans help ranchers weather drought ................................. 10
NDMC contributions to U2U project ..................................12
Drought Management Database archives strategies................13
QuickDRI will help spot flash droughts................................ 14
NDMC Co-Hosts NASA work- shop......................................15
Wilhite leads Integrated Drought Management Program work....... 15
Speaking of drought ............ 16
Managing #Drought tweet chat transcript ..............................17
Updated USDM website ....... 17
U.S. Drought Monitor, September 24, 2013, Brad Rippey
U.S. Drought Monitor, September 24, 2013, Brad Rippey
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 24, 2013 (9/24/13) 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 17, 2013, David Miskus
U.S. Drought Monitor, September 17, 2013, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 17, 2013 (9/17/13) 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 10, 2013, Anthony Artusa
U.S. Drought Monitor, September 10, 2013, Anthony Artusa
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 10, 2013 (9/10/13) 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 3, 2013, David Miskus
U.S. Drought Monitor, September 3, 2013, David Miskus
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for September 3, 2013 (9/3/13) 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 27, 2013, Anthony Artusa
U.S. Drought Monitor, August 27, 2013, Anthony Artusa
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for August 27, 2013 (8/27/13) 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 20, 2013, Michael J. Brewer
U.S. Drought Monitor, August 20, 2013, Michael J. Brewer
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for August 20, 2013 (8/20/13) 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 13, 2013, Michael J. Brewer
U.S. Drought Monitor, August 13, 2013, Michael J. Brewer
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for August 13, 2013 (8/13/13) 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 6, 2013, Brian Fuchs
U.S. Drought Monitor, August 6, 2013, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for August 6, 2013 (8/6/13) 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.