Convective activity over heat-low region and Indian summer monsoon rainfall during contrasting phases of ESI tendency
In this paper, the changes in convective activity over heat-low region over northwest India during contrasting phases of effective strength index (ESI) tendency have been examined. During contrasting phases of ESI tendency, evolution of surface pressure and temperature field over India from winter t...
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| Veröffentlicht in: | Theoretical and applied climatology 2014-02, Vol.115 (3-4), p.591-597 |
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| description | In this paper, the changes in convective activity over heat-low region over northwest India during contrasting phases of effective strength index (ESI) tendency have been examined. During contrasting phases of ESI tendency, evolution of surface pressure and temperature field over India from winter to spring is exactly opposite, and hence, the heat-low over northwest India depicts temporal and spatial variations in magnitude and location. During positive ESI tendency, the evolution of surface cooling and high surface pressure from winter to spring suggests reduced convective activity over heat-low region, while during the negative phase of ESI tendency, anomalously warm surface temperatures and low surface pressure evolve from winter to spring suggesting enhanced convective activity over the heat low region. The temporal variability in the relationship between surface temperature/pressure over heat-low region and Indian summer monsoon rainfall (ISMR) is also examined in this paper. During positive ESI tendency, heat-low temperature anomaly in February is significantly associated with ISMR, whereas during negative ESI tendency, both temperature/pressure over heat-low region in May are significantly associated with ISMR. These parameters may help in long range forecasting of ISMR. |
| doi_str_mv | 10.1007/s00704-013-0920-2 |
| format | Article |
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B. ; Kulkarni, Ashwini</creator><creatorcontrib>Kakade, S. B. ; Kulkarni, Ashwini</creatorcontrib><description>In this paper, the changes in convective activity over heat-low region over northwest India during contrasting phases of effective strength index (ESI) tendency have been examined. During contrasting phases of ESI tendency, evolution of surface pressure and temperature field over India from winter to spring is exactly opposite, and hence, the heat-low over northwest India depicts temporal and spatial variations in magnitude and location. During positive ESI tendency, the evolution of surface cooling and high surface pressure from winter to spring suggests reduced convective activity over heat-low region, while during the negative phase of ESI tendency, anomalously warm surface temperatures and low surface pressure evolve from winter to spring suggesting enhanced convective activity over the heat low region. The temporal variability in the relationship between surface temperature/pressure over heat-low region and Indian summer monsoon rainfall (ISMR) is also examined in this paper. During positive ESI tendency, heat-low temperature anomaly in February is significantly associated with ISMR, whereas during negative ESI tendency, both temperature/pressure over heat-low region in May are significantly associated with ISMR. These parameters may help in long range forecasting of ISMR.</description><identifier>ISSN: 0177-798X</identifier><identifier>EISSN: 1434-4483</identifier><identifier>DOI: 10.1007/s00704-013-0920-2</identifier><language>eng</language><publisher>Vienna: Springer Vienna</publisher><subject>Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Atmospheric Sciences ; Climate science ; Climatology ; Climatology. Bioclimatology. 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B.</creatorcontrib><creatorcontrib>Kulkarni, Ashwini</creatorcontrib><title>Convective activity over heat-low region and Indian summer monsoon rainfall during contrasting phases of ESI tendency</title><title>Theoretical and applied climatology</title><addtitle>Theor Appl Climatol</addtitle><description>In this paper, the changes in convective activity over heat-low region over northwest India during contrasting phases of effective strength index (ESI) tendency have been examined. During contrasting phases of ESI tendency, evolution of surface pressure and temperature field over India from winter to spring is exactly opposite, and hence, the heat-low over northwest India depicts temporal and spatial variations in magnitude and location. During positive ESI tendency, the evolution of surface cooling and high surface pressure from winter to spring suggests reduced convective activity over heat-low region, while during the negative phase of ESI tendency, anomalously warm surface temperatures and low surface pressure evolve from winter to spring suggesting enhanced convective activity over the heat low region. The temporal variability in the relationship between surface temperature/pressure over heat-low region and Indian summer monsoon rainfall (ISMR) is also examined in this paper. During positive ESI tendency, heat-low temperature anomaly in February is significantly associated with ISMR, whereas during negative ESI tendency, both temperature/pressure over heat-low region in May are significantly associated with ISMR. These parameters may help in long range forecasting of ISMR.</description><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Atmospheric Sciences</subject><subject>Climate science</subject><subject>Climatology</subject><subject>Climatology. Bioclimatology. Climate change</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Low temperature</subject><subject>Meteorology</subject><subject>Monsoons</subject><subject>Original Paper</subject><subject>Precipitation</subject><subject>Rain and rainfall</subject><subject>Rainfall measurement</subject><subject>Seasons</subject><subject>Spring</subject><subject>Summer</subject><subject>Surface temperature</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>Winter</subject><issn>0177-798X</issn><issn>1434-4483</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kW-L1DAQxoMouK5-AN8FRNAXPfOnbZqXx3LqwoHgKfguxGS6l6NN1qRd3W_vlB7iCRKYCcnvGWbmIeQlZxecMfWuYGB1xbismBasEo_Ihteyruq6k4_JhnGlKqW7b0_Js1LuGGOibdWGzLsUT-CmcAJqlxSmM00nyPQW7FQN6SfNcAgpUhs93UcfbKRlHkckxhRLwp9sQ-ztMFA_5xAP1KU4ZVum5X68tQUKTT29utnTCaKH6M7PyRMUFHhxn7fk6_urL7uP1fWnD_vd5XXl6kZMlW9qzb3ywmGEVuq6VY20omeW677xWqiu66H7bjnwVvhGKKWElFw7D5Z7uSVv1rrHnH7MUCYzhuJgGGyENBfDG1yb1pq3iL76B71Lc47YneHYhRa1bhqkLlbqYAcwOHbCSR0eD2PAuaEP-H4pWyk72WArW_L2gWDZDfyaDnYuxexvPj9k-cq6nErJ0JtjDqPNZ8OZWVw2q8sGXTaLy0ag5vV927Y4O_TZRhfKH6HoWrSac-TEypXj4hHkv8b7b_HfoZe2Hw</recordid><startdate>20140201</startdate><enddate>20140201</enddate><creator>Kakade, S. 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B. ; Kulkarni, Ashwini</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c452t-d5491d7d2c1d7e63946753a2f0a19f5d92788fe8ba1e162d5277723319cdea1d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Aquatic Pollution</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Atmospheric Sciences</topic><topic>Climate science</topic><topic>Climatology</topic><topic>Climatology. Bioclimatology. 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B.</au><au>Kulkarni, Ashwini</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Convective activity over heat-low region and Indian summer monsoon rainfall during contrasting phases of ESI tendency</atitle><jtitle>Theoretical and applied climatology</jtitle><stitle>Theor Appl Climatol</stitle><date>2014-02-01</date><risdate>2014</risdate><volume>115</volume><issue>3-4</issue><spage>591</spage><epage>597</epage><pages>591-597</pages><issn>0177-798X</issn><eissn>1434-4483</eissn><abstract>In this paper, the changes in convective activity over heat-low region over northwest India during contrasting phases of effective strength index (ESI) tendency have been examined. During contrasting phases of ESI tendency, evolution of surface pressure and temperature field over India from winter to spring is exactly opposite, and hence, the heat-low over northwest India depicts temporal and spatial variations in magnitude and location. During positive ESI tendency, the evolution of surface cooling and high surface pressure from winter to spring suggests reduced convective activity over heat-low region, while during the negative phase of ESI tendency, anomalously warm surface temperatures and low surface pressure evolve from winter to spring suggesting enhanced convective activity over the heat low region. The temporal variability in the relationship between surface temperature/pressure over heat-low region and Indian summer monsoon rainfall (ISMR) is also examined in this paper. During positive ESI tendency, heat-low temperature anomaly in February is significantly associated with ISMR, whereas during negative ESI tendency, both temperature/pressure over heat-low region in May are significantly associated with ISMR. These parameters may help in long range forecasting of ISMR.</abstract><cop>Vienna</cop><pub>Springer Vienna</pub><doi>10.1007/s00704-013-0920-2</doi><tpages>7</tpages></addata></record> |
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| identifier | ISSN: 0177-798X |
| ispartof | Theoretical and applied climatology, 2014-02, Vol.115 (3-4), p.591-597 |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Atmospheric Sciences Climate science Climatology Climatology. Bioclimatology. Climate change Earth and Environmental Science Earth Sciences Earth, ocean, space Exact sciences and technology External geophysics Low temperature Meteorology Monsoons Original Paper Precipitation Rain and rainfall Rainfall measurement Seasons Spring Summer Surface temperature Waste Water Technology Water Management Water Pollution Control Winter |
| title | Convective activity over heat-low region and Indian summer monsoon rainfall during contrasting phases of ESI tendency |
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