S K DASH
Articles written in Journal of Earth System Science
Volume 89 Issue 2 July 1980 pp 209-214
During our search for dynamical differences in monsoon flows between the active and break phases of the monsoon, we noticed some interesting differences which may have some dynamical significance and do not appear to have been highlighted so far. There appear to be shifts of quasi-stationary flow features both in the lower and upper tropospheres.
Volume 92 Issue 2 July 1983 pp 115-119
Barotropic stability of a stationary Rossby wave of wavelength 30° longitude superposed on the uniform monsoon zonal flow has been examined. The wave is unstable to perturbations and the growth rate depends on the meridional scale. These perturbations grow by drawing on the kinetic energy of the stationary Rossby wave.
Volume 130 All articles Published: 30 July 2021 Article ID 0147 Research article
Kerala, located in the southwest part of India experienced heavy flooding during 2018. A post-flood field survey was conducted by National Centre for Coastal Research (NCCR), Chennai to study the flood. The survey was conducted using
$\bullet$ The post-flood field survey was conducted for Kerala floods of 2018. A team from NCCR visited the flood affected central and southern parts of Kerala.
$\bullet$ NCCR Geo-Surveyor app built in-house was used for the survey. A Geo-tagged image together with the flood depth is stored in transferred online into the NCCR server.
$\bullet$ Presented the district-wise field survey result in the paper. It was noticed that the flood intensified and affected millions due to unscientific way of dam operations, which affected infrastructure and lives of many living on the banks of the river.
$\bullet$ Kerala need to consider long-term solutions like early flood warning systems, conservation of environment and proper engineered constructions near to the river banks.
Volume 132, 2023
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