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- DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023) (68)
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Articles 1 - 30 of 113
Full-Text Articles in Other Environmental Sciences
Analysis Of Drought-Flood Abrupt Alternation Events And Their Impacts In Kenya, Betty Makena
Analysis Of Drought-Flood Abrupt Alternation Events And Their Impacts In Kenya, Betty Makena
School of Natural Resources: Dissertations, Theses, and Student Research
Drought-Flood Abrupt Alternation (DFAA) is a compound disaster event that refers to the abrupt shift of extreme drought events to extreme floods resulting in exacerbated impacts on already vulnerable communities and hindering their coping abilities. This study aimed to analyze drought-flood abrupt alternation events and their impacts in Kenya. The first chapter aimed to understand historical drought events in the Greater Horn of Africa and their impacts, while drawing comparisons with the recent 2020-2022 drought period, referred to as the ‘triple dip La Niña’. Datasets used in this study include the Climate Hazards Group InfraRed Precipitation with Station (CHIRPS), Normalized …
Water Whiplash In Mediterranean Regions Of The World, Citlalli Madrigal, Rama Bedri, Thomas Piechota, Wenzhao Li, Glenn Tootle, Hesham El-Askary
Water Whiplash In Mediterranean Regions Of The World, Citlalli Madrigal, Rama Bedri, Thomas Piechota, Wenzhao Li, Glenn Tootle, Hesham El-Askary
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
The presence of weather and water whiplash in Mediterranean regions of the world is analyzed using historical streamflow records from 1926 to 2023, depending on the region. Streamflow from the United States (California), Italy, Australia, Chile, and South Africa is analyzed using publicly available databases. Water whiplash—or the rapid shift of wet and dry periods—are compared. Wet and dry periods are defined based on annual deviations from the historical record average, and whiplash occurs when there is an abrupt change that overcomes an accommodated deficit or surplus. Of all the stations, there are more dry years (56%) than wet years …
Assessing Multi-Scale Atmospheric Circulation Patterns For Improvements In Sub-Seasonal Precipitation Predictability In The Northern Great Plains, C. M. Carrillo, Francisco Munoz-Arriola
Assessing Multi-Scale Atmospheric Circulation Patterns For Improvements In Sub-Seasonal Precipitation Predictability In The Northern Great Plains, C. M. Carrillo, Francisco Munoz-Arriola
School of Natural Resources: Faculty Publications
No abstract provided.
Multivariate Evaluation Of Flash Drought Across The United States, J. A. Otkin, Y. Zhong, T. W. Ford, M. C. Anderson, C. Hain, A. Hoell, Mark D. Svoboda, H. Wang
Multivariate Evaluation Of Flash Drought Across The United States, J. A. Otkin, Y. Zhong, T. W. Ford, M. C. Anderson, C. Hain, A. Hoell, Mark D. Svoboda, H. Wang
School of Natural Resources: Faculty Publications
No abstract provided.
A Major Blind Spot In Drought Risk Financing: Water Services In Low-Income Countries, Markus Enenkel, Nathan L. Engle, Mark D. Svoboda
A Major Blind Spot In Drought Risk Financing: Water Services In Low-Income Countries, Markus Enenkel, Nathan L. Engle, Mark D. Svoboda
School of Natural Resources: Faculty Publications
No abstract provided.
Sustainability Nexus Analytics, Informatics, And Data (Aid): Drought, L. S. Huning, S. M. Bateni, Michael Hayes Et Al.
Sustainability Nexus Analytics, Informatics, And Data (Aid): Drought, L. S. Huning, S. M. Bateni, Michael Hayes Et Al.
School of Natural Resources: Faculty Publications
No abstract provided.
Enhancing Global Food Security: Opportunities For The American Meteorological Society, L. Stuart, M. Hobbins, E. Niebuhr, A. C. Ruane, R. Pulwarty, A. Hoell, W. Thiaw, C. Rosenzweig, Francisco Munoz-Arriola, M. Jahn, M. Harrar
Enhancing Global Food Security: Opportunities For The American Meteorological Society, L. Stuart, M. Hobbins, E. Niebuhr, A. C. Ruane, R. Pulwarty, A. Hoell, W. Thiaw, C. Rosenzweig, Francisco Munoz-Arriola, M. Jahn, M. Harrar
School of Natural Resources: Faculty Publications
No abstract provided.
Drought In The Breadbasket Of America And The Influence Of Oceanic Teleconnections, Olivia G. Campbell, Gregory B. Goodrich
Drought In The Breadbasket Of America And The Influence Of Oceanic Teleconnections, Olivia G. Campbell, Gregory B. Goodrich
School of Natural Resources: Faculty Publications
From 1980 to 2020, drought events accounted for only 11.4% of the billion-dollar disasters in the United States (U.S.), yet caused the second-highest total amount in damages, at USD 236.6 billion. With the average cost of a drought being upwards of USD 9.5 billion, these natural disasters can create serious problems in agriculture. Drought is defined as a period of below-average precipitation that causes damage to agriculture and water supplies. Previous research has linked drought events in the U.S. Great Plains to oceanic teleconnections in the Pacific and Atlantic basins, indicating the influence of El Niño—Southern Oscillation (ENSO), the Pacific …
Droughtscape, Summer 2023, National Drought Mitigation Center
Droughtscape, Summer 2023, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Summer 2023
Droughtscape, Spring 2023, National Drought Mitigation Center
Droughtscape, Spring 2023, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Spring 2023
The Cascading And Compounding Impacts Of Drought, 2023, K. H. Smith, C. Knutson, M. Svoboda
The Cascading And Compounding Impacts Of Drought, 2023, K. H. Smith, C. Knutson, M. Svoboda
School of Natural Resources: Faculty Publications
No abstract provided.
Using Seasonal Climate Scenarios In The Forageahead Annual Forage Production Model For Early Drought Impact Assessment, M. Podebradska, B. K. Wylie, M. J. Hayes, D. J. Bathke, Y. A. Bayissa, S. P. Boyte, J. F. Brown, B. D. Wardlow
Using Seasonal Climate Scenarios In The Forageahead Annual Forage Production Model For Early Drought Impact Assessment, M. Podebradska, B. K. Wylie, M. J. Hayes, D. J. Bathke, Y. A. Bayissa, S. P. Boyte, J. F. Brown, B. D. Wardlow
School of Natural Resources: Faculty Publications
No abstract provided.
Droughtscape, Winter 2023, National Drought Mitigation Center
Droughtscape, Winter 2023, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Winter 2023
Evolution Of The Southwest Drought Learning Network: Collective Response To Exceptional Drought, E. Elias, B. Fuchs, J. Lisonbee, T. Bernadt, V. Martinez, T. Haigh
Evolution Of The Southwest Drought Learning Network: Collective Response To Exceptional Drought, E. Elias, B. Fuchs, J. Lisonbee, T. Bernadt, V. Martinez, T. Haigh
School of Natural Resources: Documents and Reviews
No abstract provided.
Comparative Behavioral Ecotoxicology Of Inland Silverside Larvae Exposed To Pyrethroids Across A Salinity Gradient, Sara J. Hutton, Samreen Siddiqui, Emily I. Pedersen, Christopher Y. Markgraf, Amelie Segarra, Michelle L. Hladik, Richard E. Connon, Susanne M. Brander
Comparative Behavioral Ecotoxicology Of Inland Silverside Larvae Exposed To Pyrethroids Across A Salinity Gradient, Sara J. Hutton, Samreen Siddiqui, Emily I. Pedersen, Christopher Y. Markgraf, Amelie Segarra, Michelle L. Hladik, Richard E. Connon, Susanne M. Brander
United States Geological Survey: Staff Publications
Pyrethroids, a class of commonly used insecticides, are frequently detected in aquatic environments, including estuaries. The influence that salinity has on organism physiology and the partitioning of hydrophobic chemicals, such as pyrethroids, has driven interest in how toxicity changes in saltwater compared to freshwater. Early life exposures in fish to pyrethroids cause toxicity at environmentally relevant concentrations, which can alter behavior. Behavior is a highly sensitive endpoint that influences overall organism fitness and can be used to detect toxicity of environmentally relevant concentrations of aquatic pollutants. Inland Silversides (Menidia beryllina), a commonly used euryhaline model fish species, were exposed …
Droughtscape, Fall 2022, National Drought Mitigation Center
Droughtscape, Fall 2022, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Fall 2022
Coupling Dendrochronology And Remote Sensing Techniques To Assess The Biophysical Traits Of Juniperus Virginiana And Pinus Ponderosa Within Grassland Communities In The Semi-Arid Grasslands Of The Nebraska Sandhills, Reece Allen
School of Natural Resources: Dissertations, Theses, and Student Research
Woody species encroachment is occurring within the sandhills region in Nebraska, primarily driven by Juniperus virginiana and Pinus ponderosa, altering ecosystems and the services they provide. Effective, low cost, and cross-scale monitoring of woody species growth and performance is necessary for integrated grassland and forest management in the face of climate variability and change. In this study, we sought to establish a relationship between remote sensing-derived vegetation indices (VIs) and dendrochronological (raw and standardized tree ring width) measurements to assess the performance of encroaching woody J. virginiana and P. ponderosa located within the Nebraska National Forest in the sandhills. …
Droughtscape, Summer 2022, National Drought Mitigation Center
Droughtscape, Summer 2022, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Summer 2022
Droughtscape, Spring 2022, National Drought Mitigation Center
Droughtscape, Spring 2022, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Spring 2022
Disturbance Reduces Fungal White-Rot Litter Mat Cover In A Wet Subtropical Forest, D. Jean Lodge, Ashley E. Van Beusekom, Grizelle González, Mareli Sánchez-Julia, Sarah Stankavich
Disturbance Reduces Fungal White-Rot Litter Mat Cover In A Wet Subtropical Forest, D. Jean Lodge, Ashley E. Van Beusekom, Grizelle González, Mareli Sánchez-Julia, Sarah Stankavich
United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications
Fungi that bind leaf litter into mats and produce white-rot via degradation of lignin and other aromatic compounds influence forest nutrient cycling and soil fertility. Extent of white-rot litter mats formed by basidiomycete fungi in Puerto Rico decreased in response to disturbances—a simulated hurricane treatment executed by canopy trimming and debris addition in 2014, a drought in 2015, a treefall, and two hurricanes 10 days apart in September 2017. Percent fungal litter mat cover ranged from 0.4% after Hurricanes Irma and Maria to a high of 53% in forest with undisturbed canopy prior to the 2017 hurricanes, with means mostly …
Validity And Reliability Of Drought Reporters In Estimating Soil Water Content And Drought Impacts In Central Europe, Lenka Bartošová, Milan Fischer, Jan Balek, Monika Bláhová, Lucie Kudláčková, Filip Chuchma, Petr Hlavinka, Martin Možný, Pavel Zahradníček, Nicole Wall, Michael Hayes, Christopher Hain, Martha Anderson, Wolfgang Wagner, Zdeněk Žalud, Miroslav Trnka
Validity And Reliability Of Drought Reporters In Estimating Soil Water Content And Drought Impacts In Central Europe, Lenka Bartošová, Milan Fischer, Jan Balek, Monika Bláhová, Lucie Kudláčková, Filip Chuchma, Petr Hlavinka, Martin Možný, Pavel Zahradníček, Nicole Wall, Michael Hayes, Christopher Hain, Martha Anderson, Wolfgang Wagner, Zdeněk Žalud, Miroslav Trnka
School of Natural Resources: Faculty Publications
Increasing drought is considered one of the major threats associated with climate change in central Europe. To provide an objective, quantitative tool that represents current drought conditions, the Czech Drought Monitor System (CzechDM) was established in 2012. Like other drought monitoring systems worldwide, the CzechDM uses several approaches to provide drought data. However, the CzechDM is unique internationally due to its utilization of a network of voluntary reporters (farmers) who complete a weekly online questionnaire to provide information about soil water content and the impacts of drought on crop yield. In this study, the results from the questionnaires from individual …
Planning Strategies And Barriers To Achieving Local Drought Preparedness, T. Haigh, E. Wickham, S. Hamlin, C. Knutson
Planning Strategies And Barriers To Achieving Local Drought Preparedness, T. Haigh, E. Wickham, S. Hamlin, C. Knutson
School of Natural Resources: Faculty Publications
No abstract provided.
A Statistical Evaluation Of Earth-Observation-Based Composite Drought Indices For A Localized Assessment Of Agricultural Drought In Pakistan, C. Schwartz, W. Lee Ellenburg, V. Mishra, T. Mayer, R. Griffin, F. Qamer, M. Matin, Tsegaye Tadesse
A Statistical Evaluation Of Earth-Observation-Based Composite Drought Indices For A Localized Assessment Of Agricultural Drought In Pakistan, C. Schwartz, W. Lee Ellenburg, V. Mishra, T. Mayer, R. Griffin, F. Qamer, M. Matin, Tsegaye Tadesse
School of Natural Resources: Faculty Publications
No abstract provided.
When To Prepare: "Water" You Thinking About Drought?, O. G. Campbell, C. Schwartz, Deborah J. Bathke
When To Prepare: "Water" You Thinking About Drought?, O. G. Campbell, C. Schwartz, Deborah J. Bathke
School of Natural Resources: Faculty Publications
No abstract provided.
Polycentric Governance In Nebraska, U.S., For Ground And Surface Water, Theresa Jedd, Anthony B. Schutz, Mark Burbach
Polycentric Governance In Nebraska, U.S., For Ground And Surface Water, Theresa Jedd, Anthony B. Schutz, Mark Burbach
School of Natural Resources: Faculty Publications
This chapter describes the locally driven, but centrally coordinated, water governance model in Nebraska, U.S. It offers a snapshot of water resources and the importance of agriculture, then moves to the relevant political institutions in the state, and federal controls related to water quantity. The focus of the chapter is on the Nebraska Department of Natural Resources’ (NeDNR) and Natural Resources Districts’ (NRDs) management of surface and groundwater, which has some distinct and some overlapping authority. The main area of overlap is in addressing the connection between ground and surface water, particularly in situations when either or both are over …
Droughtscape, Winter 2022, National Drought Mitigation Center
Droughtscape, Winter 2022, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Winter 2022
Evidence For Irruptive Fluctuation In Axis Deer Of Hawai‘I, Steven C. Hess, Jonathan Sprague, Jacob Muise
Evidence For Irruptive Fluctuation In Axis Deer Of Hawai‘I, Steven C. Hess, Jonathan Sprague, Jacob Muise
United States Department of Agriculture Wildlife Services: Staff Publications
Axis deer on the Hawaiian Islands of Maui, Lāna‘i, and Moloka‘i simultaneously experienced one of the most dramatic population crashes on record in 2020-2021, which coincided with extended drought conditions and prompted an emergency declaration for these islands. This phenomenon has been anecdotally documented during previous drought events in 2011-2012, but never formally studied. Newspaper articles document abundant deer becoming a nuisance to agriculture and natural resources, and then experiencing high mortality during droughts. This phenomenon fits Caughley’s (1970) operational definition of eruptive (sic) fluctuation “…as an increase in numbers over at least two generations, followed by a marked decline.” …
California Drought Outlooks Based On Climate Change Models’ Effects On Water Availability, Lauren Lynam, Thomas Piechota
California Drought Outlooks Based On Climate Change Models’ Effects On Water Availability, Lauren Lynam, Thomas Piechota
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Future streamflow in California is evaluated based on eight climate projections models and the effects on water availability. The unimpaired projected streamflow for eleven California rivers, collected from Cal-Adapt, are compared with unimpaired historical flows (1950–2015) using eight climate model projections (2020–2099) identified as representative as possible future scenarios; Warm Dry RCP 4.5, Average RCP 4.5, Cool Wet RCP 4.5, Other RCP 4.5, Warm Dry RCP 8.5, Average RCP 8.5, Cool Wet RCP 8.5, and Other RCP 8.5. Projected drought deficits (or magnitudes), durations, and intensities are statistically tested against historical values to determine significance of differences between past streamflow …
Droughtscape, Fall 2021, National Drought Mitigation Center
Droughtscape, Fall 2021, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Fall 2021
Droughtscape, Summer 2021, National Drought Mitigation Center
Droughtscape, Summer 2021, National Drought Mitigation Center
DroughtScape: Quarterly Newsletter of the National Drought Mitigation Center (2007–2023)
DroughtScape, Summer 2021