Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1029/2019JD030950 |
| Thunderstorm Efficiency Regimes in South America as Observed by STARNET and TRMM | |
| Morales Rodriguez, C. A. | |
| 通讯作者 | Morales Rodriguez, C. A. |
| 来源期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
 |
| ISSN | 2169-897X |
| EISSN | 2169-8996 |
| 出版年 | 2019 |
| 卷号 | 124期号:21页码:11428-11451 |
| 英文摘要 | Six years of cloud to ground lighting strokes from Sferics Timing And Ranging NETwork (STARNET) and rain estimates from Tropical Rainfall Measuring Mission (TRMM 3B42) gridded in a box of 1 degrees x 1 degrees of longitude by latitude have been combined to investigate how thunderstorm efficiency (rain yield - daily rain accumulations/daily number of strokes) varies spatially and seasonally over South America. Based on daily rain yields, 98% of the thunderstorms can be represented by four regimes: continental-arid (10(6.5)-10(7.5) kg per stroke), continental (10(7.5)-10(8.5) kg per stroke), continental-maritime (green-ocean; 10(8.5)-10(9.5) kg per stroke), and maritime (10(9.5)-10(10.5) kg per stroke). The continental-arid regimes are found over the Andes Mountains while the continental regimes extend from southern to central northern South America. The continental-maritime regime runs from the Amazon basin to northern South America, and the maritime regime is found over the ocean and along the coastline. Mean radar reflectivity profiles from coincident measurements of 2A25 TRMM-Precipitation Radar obtained for each rain yield regimes show that (a) the continental regimes have a higher concentration of ice and supercooled water droplets above the 0 degrees C isotherm height; (b) maritime regimes have larger rain volumes in the warmer phase; (c) the continental-arid regime shows the highest concentration of ice and supercooled water droplets at temperatures below -20 degrees C; (d) the continental-maritime and maritime regimes are similar, but the continental-maritime regime has slightly higher reflectivities (1-2 dBZ) and has greater 30-dBZ height; and (e) the partition of ice and supercooled water droplets between 0 and -40 degrees C influences the lightning frequency. |
| 英文关键词 | lightning precipitation eletrification process thunderstorm efficiency STARNET TRMM |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Brazil |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000494921700001 |
| WOS关键词 | LAND-OCEAN CONTRAST ; LIGHTNING ACTIVITY ; CHARGE-TRANSFER ; TROPICAL CONVECTION ; RADAR REFLECTIVITY ; BOUNDARY-LAYER ; RIVER BREEZE ; AMAZON BASIN ; RAINFALL ; PRECIPITATION |
| WOS类目 | Meteorology & Atmospheric Sciences |
| WOS研究方向 | Meteorology & Atmospheric Sciences |
| EI主题词 | 2019-11-07 |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/310779 |
| 作者单位 | Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer, Dept Ciencias Atmosfer, Sao Paulo, Brazil |
| 推荐引用方式 GB/T 7714 | Morales Rodriguez, C. A.. Thunderstorm Efficiency Regimes in South America as Observed by STARNET and TRMM[J],2019,124(21):11428-11451. |
| APA | Morales Rodriguez, C. A..(2019).Thunderstorm Efficiency Regimes in South America as Observed by STARNET and TRMM.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,124(21),11428-11451. |
| MLA | Morales Rodriguez, C. A.."Thunderstorm Efficiency Regimes in South America as Observed by STARNET and TRMM".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124.21(2019):11428-11451. |
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