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Showing 1 to 20 of 22 for “"PDSI"”.
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Characterization of palmer drought index as a precursor for drought mitigation
… behavior of the Pallner Drought Severity Index (PDSI), primarily due to the backtracking scheme to reset the temporary index values as the PDSI values, the models are fitted to the Z index in addition to the PDSI for the forecasting of the PDSI.
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Improving The Palmer Drought Severity Index By Incorporating Snow And Frozen Ground
… necessary. The Palmer Drought Severity Index (PDSI) has its advantages of comprehensive and taking the characteristics of drought into concern so that it was regarded as the milestone in the revolution of drought indices (Heim, 2002). The PDSI has been widely used, tested, and modified since …
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A Markov chain approach for analyzing Palmer drought severity index
… of drought. The Pahner Drought Severity Index (PDSI) is the most and widely used drought indicator parameter in most recent applications. The PDSI takes into account precipitation, temperature, and soil moisture and depicts prolonged abnormal dryness or wetness. A Markov chain model was …
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Caracterização da seca e seus efeitos na produção da cultura do milho para as diferentes regiões do estado de Minas Gerais
… Padronizada (SPI), do Índice de Palmer (PDSI) do Método dos Decis (MD) e do Índice de Porcentagem da Normal (IPN) na caracterização da seca nas diferentes regiões de Minas Gerais. Os resultados mostraram que os índices de SPI, MD e IPN apresentaram ao longo dos anos um comportamento …
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Influence of elevation on tree species distribution and growth in the southern Appalachian Mountains
… width index and Palmer drought severity index (PDSI), precipitation and temperature was calculated with each site's master chronology. There was a significant positive correlation between PDSI and ring width index during the growing season for a majority of the year, and a significant positive …
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Application of a New Tree-Ring Based Drought Reconstruction Method at Multiple Forest Sites Across Indiana, U.S.A.
… JJA) Palmer Drought Severity Index (PDSI) was the best predicated climate variable, thus two separate models (SS and MCOS) were created at each site for reconstruction. The MCOS outperformed the SS at each site. During the instrumental period (1895–2000), the MCOS at PM, DW, HW and LD …
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Geospatial Analysis of Droughts, Rice and Wheat Production, and Agrarian Vulnerability: A District-Level Study of the self-calibrated Palmer Drought Severity Index in India
… Palmer Drought Severity Index (sc-PDSI) data for the time period between 1950 and 2009 were interpolated to India’s districts; then the data were analyzed for changes in frequency and severity. The data were further evaluated using Anselin’s Local Moran’s I Statistic to elicit the …
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Statistical analysis and prediction of climate impacts on sugarcane yield in southeastern Africa
… high influence of local climate indices such as PDSI (e.g 𝑟 ≈ +0.7) with global sugarcane yield, and the value increased to 𝑟 ≈ +0.80 locally (e.g in South Coast region). A positive correlation for rainfall (𝑟 > +0.5) and negative for temperature (𝑟 < −0.5) conditions in the preceding December to …
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THE VARIABILITY OF DROUGHT DYNAMICS IN THE SOUTHWEST UNITED STATES AND AN ANALYSIS OF DROUGHT RISK IN THE NORTHEASTERN UNITED STATES
… SWUS, we used the Palmer Drought Severity Index (PDSI). This analysis investigated the inherent century-scale teleconnection variability between PDSI in the SWUS and the Niño3.4 index of anomalous sea surface temperatures in the tropical Pacific Ocean. Our analysis concluded that there is a large …
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Phonon thermal transport in metallic glasses below 100 K
… the density of the two-level systems in our PdSi rods by heat treating them. Since the plateau regime and the ~T2 regime in the phonon thermal conductivity were affected in the same way, we concluded that the plateau and the T2 regimes are both caused by the two-level systems. Finally, we …
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Near Real-time Seasonal Drought Forecasting and Retrospective Drought Analysis using Simulated Multi- layer Soil Moisture from Hydrological Models at Sub- Watershed Scales
… the U.S. Drought Monitor (USDM), the long-term (PDSI, PHDI, SPI-9 and SPI-12), and the short-term (Palmer Z index, SPI-1 and SPI-6) drought indices.
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The impact of drought on U.S. hay prices
… measured by Palmer Drought Severity Index (PDSI) and Drought Severity and Coverage Index (DSCI), with fixed effects for state, month, and year. Second, we conducted a novel exploratory analysis using hay prices reported at the district level from the USDA Agricultural Marketing Service …
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Statistical modeling of rare stochastic disturbance events at continental and global scales: post-fire debris flows and wildland fires
… model G (ERC(G)), Palmer Drought Severity Index (PDSI), 3-month Standardized Precipitation Index (SPI3), SPI6 , SPI9, SPI12, and SPI24. To account for differences in indices across climate and vegetation assemblages, indices were converted to percentile conditions for each pixel, to indicate the …
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Statistical modeling of rare stochastic disturbance events at continental and global scales: post-fire debris flows and wildland fires
… model G (ERC(G)), Palmer Drought Severity Index (PDSI), 3-month Standardized Precipitation Index (SPI3), SPI6 , SPI9, SPI12, and SPI24. To account for differences in indices across climate and vegetation assemblages, indices were converted to percentile conditions for each pixel, to indicate the …
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Climate extremes over the Mid-Atlantic states: a regional approach
… and the Palmer Drought Severity Index (PDSI). The CEI is a spatially sensitive index that uses percentile-based thresholds rather than absolute values to determine climate “extremeness,” and is thus well-suited to compare extreme climate across regions. I used regional climate model data …
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Climatic and edaphic influences on the radial growth of eastern redcedar (Juniperus virginiana), Smoke Hole Canyon, West Virginia
… March temperature, May precipitation, and June PDSI. May temperature, however, was negatively correlated with growth. Soil chemistry was also related to metrics of tree sensitivity (series intercorrelation, mean sensitivity, and standard deviation), but no strong relationships were observed. …
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Relationships between climate, growth and fisheries production in a commercially exploited marine fish
… measured by the Palmer Drought Severity Index (PDSI), and river flow from the Morelos Dam with three parameters: adult fish condition, growth rate, and fisheries production. Adult fish condition was assessed by comparing annual variations in weight-length relationships of fish captured by the …
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An Epistemological Inquiry into the Incorporation of Emergency Management Concept in the Homeland Security with a Post-Disaster Security Centric Focus
… develops a Post-Disaster Security Index (PDSI) Model that provides valuable insights for security agents and other Emergency Management and Homeland Security stakeholders.</p>
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A Survey of Drought Impacts and Mitigation Planning in Kentucky
… for analysis.The reports discussed streamflows, PDSI values, precipitation deficits, lake levels reports from the U.S. Army Corps of Engineers, and other information that documented the progress of the drought. Impacts caused by the drought of 2007 were identified mostly through news reports. …
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Developing Management Guidelines that Balance Cattle and Timber Production with Ecological Interests in the Black Hills of South Dakota
… of soil type and Palmer Drought Severity Index (PDSI) to update forage production estimates for the region. These changes in forest cover have large implications for forage production in the Black Hills. Over the 15 year period, mean tree cover decreased in 181 pastures in the Mystic Ranger …
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