Thermodynamic structure of the marine atmosphere over the region 80–87°E along 13°N during August (phase II) BOBMEX-99 |
| |
| Authors: | Savita B Morwal P Seetaramayya |
| |
| Institution: | (1) Indian Institute of Tropical Meteorology, Dr. Homi Bhabha Road, Pashan, 411 008 Pune, India |
| |
| Abstract: | Thermodynamic structure of the marine atmosphere in the region between 80 and 87‡E along 13‡N over the Bay of Bengal was studied
using 13 high resolution radiosonde profiles from surface-400 hPa collected onboard ORV Sagar Kanya during the period 27th–30th
August, during BOBMEX-99. Saturation point concept, mixing line analysis and conserved variable diagrams have been used to
identify boundary layer characteristics such as air mass movement and stability of the atmosphere. The results showed relatively
dry air near the ocean surface between 1000 and 950 hPa. This feature is confirmed by the conserved tetav structure in this layer. Further, tetav seldom showed any inversions in this region. The tetae and tetaes profiles showed persistent low cloud layers between 900 and 700 hPa. The conserved variable diagrams (tetae-q) showed the existence of double mixing line structures approximately at 950 and 700 hPa levels. |
| |
| Keywords: | Marine boundary layer thermodynamic structure saturation point Bay of Bengal Monsoon Experiment conserved variable diagrams sea breeze |
| 本文献已被 SpringerLink 等数据库收录！ |
