Effects of temperature anomalies on the Palmer Drought Severity Index in the central United States
The purpose of this study is to improve our understanding of temperature and precipitation effects on the Palmer Drought Severity Index (PDSI). Both theoretical and observational analyses were applied to separate and compare temperature and precipitation effects on PDSI. The results showed that beca...
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| Veröffentlicht in: | International journal of climatology 2000-12, Vol.20 (15), p.1899-1911 |
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| container_end_page | 1911 |
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| container_issue | 15 |
| container_start_page | 1899 |
| container_title | International journal of climatology |
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| creator | Hu, Qi Willson, Gary D. |
| description | The purpose of this study is to improve our understanding of temperature and precipitation effects on the Palmer Drought Severity Index (PDSI). Both theoretical and observational analyses were applied to separate and compare temperature and precipitation effects on PDSI. The results showed that because of the dependence of PDSI on the ‘climatologically appropriate rainfall’, which is a function of time and varies with surface air temperature, the PDSI can be equally affected by temperature and precipitation, when both have similar magnitudes of anomalies. Calculations using observational data further illustrated the temperature influence on PDSI in different climate regions in the central United States. The temperature effect on PDSI complicates the usage of the index in interpreting precipitation anomalies and its application in inferring precipitation variations, particularly from reconstructed PDSI. Copyright © 2000 Royal Meteorological Society |
| doi_str_mv | 10.1002/1097-0088(200012)20:15<1899::AID-JOC588>3.0.CO;2-M |
| format | Article |
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Copyright © 2000 Royal Meteorological Society</description><subject>central United States</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>interpreting reconstructed PDSI</subject><subject>Meteorology</subject><subject>observation</subject><subject>Palmer Drought Severity Index</subject><subject>precipitation</subject><subject>temperature</subject><subject>theoretical analysis</subject><subject>USA</subject><subject>Water in the atmosphere (humidity, clouds, evaporation, precipitation)</subject><issn>0899-8418</issn><issn>1097-0088</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqVkE-LFDEQxYMoOK5-h4AgeujZStLpTkYRlt5dHdllxHXPReyuuC39Z0wy6nx7e-hhTl48FVS9eo_3Y2wlYCkA5LkAW2YAxryWACDkGwkrod8JY-1qdbG-zD5tKm3Me7WEZbV5K7PbR2xxenrMFjApM5ML85Q9i_HHZGKtKBbs25X3VKfIR88T9VsKLu0CcTeMvetamg4DTw_EP7uup8Avw7j7_pD4Hf2i0KY9Xw8N_eHtLKppSMF1_H5oEzX8LrlE8Tl74l0X6cVxnrH766uv1cfsZvNhXV3cZLUqtMlyBcI0jRbSgYFaGcqdll6bQiipjSx1WYqarNDWgNW5d6WTHnQjVEPSgjpjr2bfbRh_7igm7NtYU9e5gcZdRFGWhS3KfBJ-mYV1GGMM5HEb2t6FPQrAA248kMMDOZxxTwOFxgNuxAk3zrhRIWC1QYm3k-nLY7qLtet8cEPdxpOznUoUWp26_2472v9X7j9jjxv1F3NcnAo</recordid><startdate>200012</startdate><enddate>200012</enddate><creator>Hu, Qi</creator><creator>Willson, Gary D.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>C1K</scope></search><sort><creationdate>200012</creationdate><title>Effects of temperature anomalies on the Palmer Drought Severity Index in the central United States</title><author>Hu, Qi ; Willson, Gary D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3658-43018dd512a080c38e4a52f58613258275771ce915980954fa7a2f05d13de2903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>central United States</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>interpreting reconstructed PDSI</topic><topic>Meteorology</topic><topic>observation</topic><topic>Palmer Drought Severity Index</topic><topic>precipitation</topic><topic>temperature</topic><topic>theoretical analysis</topic><topic>USA</topic><topic>Water in the atmosphere (humidity, clouds, evaporation, precipitation)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Qi</creatorcontrib><creatorcontrib>Willson, Gary D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>International journal of climatology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Qi</au><au>Willson, Gary D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of temperature anomalies on the Palmer Drought Severity Index in the central United States</atitle><jtitle>International journal of climatology</jtitle><date>2000-12</date><risdate>2000</risdate><volume>20</volume><issue>15</issue><spage>1899</spage><epage>1911</epage><pages>1899-1911</pages><issn>0899-8418</issn><eissn>1097-0088</eissn><abstract>The purpose of this study is to improve our understanding of temperature and precipitation effects on the Palmer Drought Severity Index (PDSI). Both theoretical and observational analyses were applied to separate and compare temperature and precipitation effects on PDSI. The results showed that because of the dependence of PDSI on the ‘climatologically appropriate rainfall’, which is a function of time and varies with surface air temperature, the PDSI can be equally affected by temperature and precipitation, when both have similar magnitudes of anomalies. Calculations using observational data further illustrated the temperature influence on PDSI in different climate regions in the central United States. The temperature effect on PDSI complicates the usage of the index in interpreting precipitation anomalies and its application in inferring precipitation variations, particularly from reconstructed PDSI. 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| language | eng |
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| source | Access via Wiley Online Library |
| subjects | central United States Earth, ocean, space Exact sciences and technology External geophysics interpreting reconstructed PDSI Meteorology observation Palmer Drought Severity Index precipitation temperature theoretical analysis USA Water in the atmosphere (humidity, clouds, evaporation, precipitation) |
| title | Effects of temperature anomalies on the Palmer Drought Severity Index in the central United States |
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