Open Access Digital Repository of Ministry of Earth Sciences, Government of India

Oceansat-1 derived met-ocean parameters during various stages of monsoon depression of June 1999, along Orissa coastline, east coast of India

Khaladkar, RM and Mahajan, PN and Narkhedkar, SG and Nair, S and Pal, PK and Joshi, PC (2004) Oceansat-1 derived met-ocean parameters during various stages of monsoon depression of June 1999, along Orissa coastline, east coast of India. Indian Journal of Marine Sciences, 33 (2). pp. 113-121.

[img]
Preview
PDF
Oceansat-1.pdf - Published Version

Download (3MB) | Preview

Abstract

After the launch of Oceansat-1 (IRS-P4) on May 26, 1999, weather scientists got the opportunity to study some of the meteorological and oceanographic (met-ocean) parameters associated with the weather systems formed over the oceanic regions around India, even under cloudy conditions. Oceansat-1 carries multifrequency scanning microwave radiometer (MSMR) which has a capability to provide information of certain parameters viz. sea surface wind speeds (SSW), sea surface temperature (SST), integrated water vapour (IWV) and cloud liquid water content (CLW). A monsoon depression was formed over the Bay of Bengal on 17 June 1999 causing widespread rainfall over Orissa coast and the adjoining regions. Oceansat-1 derived met-ocean parameters were studied during various stages of this depression. The maximum values of these parameters during the life cycle of the depression over the Bay of Bengal were SST : 30° - 31° C, SSW : 16-18 m/s, IWV : 7.0 g/cm 2, CLW : 90-100 mg/cm 2. It was observed that SSW, IWV and CLW show high values one to three days before the formation of the depression. High values, shape and steep gradients of the met-ocean parameters give prior indication of formation/intensification of the weather system and its probable location. SST reduced by about l°-2° after the passage of the low pressure system over the region.

Item Type: Article
Additional Information: Copyright of this article belongs to NISCAIR.
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 18 Apr 2015 08:44
Last Modified: 18 Apr 2015 08:44
URI: http://moeseprints.incois.gov.in/id/eprint/1430

Actions (login required)

View Item View Item