1998 Earth and Planetary Sciences

Proceedings of the Indian Academy of Sciences
Earth and Planetary Sciences

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Vol. 107, January-December 1998
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Contents

March 1, 1998	Pages
Foreword — Prashant Goswami	1-2
TROPMET 97: An Overview — K. S. Yajnik and B. N. Goswami	3-4
Some applications of humidity profiles estimated from INSAT infra red digital cloud imagery data — Onkari Prasad, Sant Prasad, Kanti Prasad and R. R. Kelkar	5-18
Use of satellite data for radiative energy budget study of Indian summer monsoon — P. N. Mahajan, G. R. Chinthalu and S. Rajamani	19-32
Early prediction of onset of south west monsoon from ERS-1 scatterometer winds — U. R. Rao, P. S. Desai, P. C. Joshi, P. C. Pandey, B. S. Gohil and B. Simon	33-44
Intraseasonal oscillations and interannual variability of surface winds over the Indian monsoon region — B. N. Goswami, D. Sengupta and G. Suresh Kumar	45-64
Dynamics of upper tropospheric stationary wave anomalies induced by ENSO during the northern summer: A GCM study — R. Krishnan, C. Venkatesan and R. N. Keshavamurthy	65-90
An ocean-atmosphere index for ENSO and its relation to Indian monsoon rainfall — A. A. Munot and G. B. Pant	91-96
VEBEX: Vegetation and surface energy balance experiment for the tropics — Sethu Raman, Devadutta S. Niyogi, A. Prabhu, S. Ameenullah, S. T. Nagaraj, Udai Kumar and S. Jayanna	97-105
June 2, 1998
Probabilities of excess and deficient southwest monsoon rainfall over different meteorological sub-divisions of India — D. R. Kothawale and A. A. Munot	107-119
Intra-seasonal variations of kinetic energy of lower tropospheric zonal waves during northern summer monsoon — S. M. Bawiskar, M. D. Chipade and S. S. Singh	121-126
Numerical study of the effects of urban heat island on the characteristic features of the sea breeze circulation — Abhijit Sarkar, R. S. Saraswat and A. Chandrasekar	127-137
Sixty year 10Be record from Greenland and Antarctica — A. Aldahan, G. Possnert, S. J. Johnsen, H. B. Clausen, E. Isaksson, W. Karlen and M Hansson	139-147
Inversion of GDS data of northwest Himalaya using EM2INV — Anupma Rastogi, P. K. Gupta and Sri Niwas	149-154
A note on the relationship between dip-slip fault parameters and plate parameters in the two-dimensional modelling of preseismic deformation — Sarva Jit Singh and Mahabir Singh	155-160
Space-time seismicity and earthquake swarms: Certain observations along the slow-spreading mid-Indian Ocean ridges — M. Radha Krishna and S. K. Arora	161-173
September 3, 1998
Seasonal variability in the characteristics of the upper atmospheric global normal modes — S. K. Dash and N. R. Parija	175-186
Impact of modified physics in limited area model forecasts — J. Sanjay and S. S. Singh	187-201
Ground-based optical measurements of daytime auroral emissions: A new means of investigating space-weather related processes — D. Pallam Raju and R. Sridharan	203-211
An analytical source function for a coupled hybrid wave model — M.Mohan, Abhijit Sarkar and Raj Kumar	213-216
A model for solar quiet day variation at low latitude from past observations using singular spectrum analysis — S. K. Bhardwaj and G. K. Rangarajan	217-224
Rupture histories of two stable continental region earthquakes of India — D. S. Ramesh and C. H. Estabrook	225-233
December 4, 1998
Editorial — V. K. Gaur	235
Foreword — N. Goswami and S. Krishnaswami	237-239
Cosmic ray produced isotopes in terrestrial systems — D Lal	241-250
Astronomical and terrestrial causes of physical, chemical and biological changes at geological boundaries — N. Bhandari	251-264
Geologic and tectonic evolution of Himalaya before and after the India-Asia collision — Kewal K. Sharma	265-282
Silicate and carbonate weathering in the drainage basins of the Ghaghara-Indus head waters: Contribution to major ion and Sr isotope geochemistry — S. Krishnaswami and Sunil K. Singh	283-292
On the interpretation of the oceanic variations in 87Sr/86Sr as recorded in marine limestones — Youngsook Huh and John M. Edmond	293-306
Ice-core records of global climate and environment changesRobert J Delmas	307-320
Speleothems as high-resolution paleoenvironment archives: Records from Northeastern China — T. L. Ku and H. C. Li	321-330
Stable isotope variations in a coral (Favia speciosa) from the Gulf of Kutch during 1948-1989 AD: Environmental implications — S. Chakraborty and R. Ramesh	331-342
Application of 226Ra, 228Ra, 223Ra, and 224Ra in coastal waters to assessing coastal mixing rates and groundwater discharge to oceans — Willard S. Moore	343-350
210Pb in the ocean: A pilot tracer for modeling particle reactive elements — Ernst Maier-Reimer and Gideon Henderson	351-358
Determination of indium in natural waters by flow injection inductively coupled plasma mass spectrometry — D. S. Alibo, H. Amakawa and Y. Nozaki	359-366
Nitrogen isotopic studies in the suboxic Arabian Sea — S. W. A. Naqvi, T. Yoshinari, J. A. Brandes, A. H. Devol, D. A. Jayakumar, P. V. Narvekar, M. A. Altabet and L. A. Codispoti	367-378
On laboratory studies of grains from outside the solar system — U. Ott	379-390
The triggered origin of the solar system — Harri A. T. Vanhala	391-400
Short-lived nuclides in the early solar system — J. N. Goswami	401-412
The I-Xe Chronometer — C. M. Hohenberg, R. H.Brazzle, O. V. Pravdivtseva and A. P. Meshik	413-424
Noble gas components in planetary atmospheres and interiors in relation to solar wind and meteorites — K. Marti and K. J. Mathew	425-432
Studies of modern and ancient solar energetic particles — R. C. Reedy	433-440
Interpretation of cosmogenic nuclides in meteorites on the basis of accelerator experiments and physical model calculations — R. Michel and S. Neumann	441-458