Proceedings of the Indian Academy of Sciences
Earth and Planetary Sciences

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Vol. 95, January-December 1986
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Contents

 March 1, 1986
 
Power spectrum analysis of geomagnetic indices — R. P. Kane
 1-12
Wave packet structure and phase jumps in low latitude Fc3 geomagnetic pulsation —
I. A. Ansari, B. J. Fraser and K. J. McLean     
 13-24
Spectral characteristics of low latitude Pc3 geomagnetic pulsations in southeast Australia — A. Ansari, B. J. Fraser and K. J. McLean     
 25-45
Sub-seasonal scale fluctuations of the ITC'Z over the Indo-Pacific region during the summer monsoon season Pail I: Features over the Indian region — D. R. Sikka, D. K. Paul, V. R. Deshpande V. R. Mujumdur and P. V. Puranik    
 47-73
Quasi-specular sea scatter with modified reflection coefficient  — Raj Kumar and Abhijit Sarkar     
 75-82 
The effect of filtering on drift and anisotropy parameters determined by fullcorrelation analysis — B. M. Vyas, D. V. Sardesai, R. K. Rai, H. Chandra and G. D. Vyas     
 83-89 
Geochemistry of coexisting hornblende and biotite from the Ambalavayil pranitc,  Kerala —  M. Santosh
 91-102
Radioelement geochemistry of alkali granites of the Kerala region, south-west India —   M. Santosh and K.Vijaya Kumar  
 103-115
The petrology and geochemistry of massif anorthosites and gabbros of the Bavali fault zone, North Kerala — G. R. Ravindra Kumar  
 117-130
Base metal exploration by gravity surveys in a part of the Cuddapah basin (India) — a case study —  C. Ramadass, S. M. Varaprasada Rao and N. L. Mohan  
 131-141
Evolution of the landscapes in the Calcutta-Sundarban coastal areas of South Bengal, India — Dilip,K. R. Das, Jay P. Majumdar and Aniruddha Ganguly  
 143-152
July 2, 1986

Numerical hysteresis model for intermittent studies in unsaturated soils — M. Banerjee   
 153-167
Radionuclide depth profiles in Dhajala chondrite — M. B.Potdar, N. Bhandari and
K. M. Suthar  
 169-182
Cosmogenic isotope and track records in meteorites and their implications to cosmic ray fluxes — Narendra Bhandari   
 183-191 
Absorption of radio waves during a solar eclipse —K. Ml Kotadia, P. D. Lele and K. G. Jani  
 193-200
Effect of linear trend and mean value on maximum entropy spectral analysis — R. P. Kane and N. B. Trivedi 
  201-208
Physico-chemical  conditions  of ore  deposition   in  MaSanjkhand  copper sulphide deposit — S. Jaireth and M. Sharrna 
  209-221
Inverse problem for the determination of the bounds on the mantle heat flow —
R. N. Singh and G. Vasseiir 
  223-236
Effect of waves in the redistribution of sediments along the Konkari coast — G. Victor Rajamanickum, P. Vethamony and A. R. Gujar 
  237-244
Preferential solution of 234U from recoili tracks and 234u/238lJ radioactive disequilibrium in natural waters — N. Hussain and D. Lal  
 245 -263
The effect of white-caps and foam on wind speed extraction with a pulse limited radar altimeter — R. M. Gairola and P. C. Pandey 
 265-273
Gravity anomalies of a trapezoidal model with quadratic density function — D. Bhaskara Rao  
 275-284
Origin and depositionaf environment of the china clay deposits of south Kerala —
K. Soman and Terry Mackado   
 285-292
Some theoretical aspects of electric field and precipitation growth in a finite thundercloud — Pratap Singh, T. S. Vermaand N. C. Varshneyu   
 293-298
Global features of sea-levei pressure distribution in April and July associated
with contrasting situations of Indian summer monsoon —  K. Rupa Kumar and
L. S. Hinghane  
 299-309
November 3, 1986

In situ stress measurements using hydraulic fracturing method —  T. N. Gowda,
S. V. Srirama Rao, K. B. Chary and F. Hummel  
 311-319
Computation of synthetic seisrnograms for plane layered earth models including absorption and dispersion phenomena — K. N. S. Yadav and Avadh Ram  
321-330
Magnetic anomalies over thin plates and their analysis — H. V. Rambabu and
G. D. J .Sivakumar Sinha  
331-341
Analysis of gravimagnetic anomalies by horizontal gradients — G. Ramdass,
S. M. Varaprasada Rao and A. Raja Mohammed  
343-349
Palaeo-tectonic environment of the precambrian basaltic mafic dykes on the application of chemical discriminants — T. Ramamohana Rao, B. V. Satyanarayana Raju and
M. V. Rama Raju
  351-361
Lineament analysis of Cannanore District and their implication on the tectonic evolution of the area — Venkatesh Raghavan and Narayanaswamy  
363-371
An interpretation of induced magnetic variations near Shiliong and Gulmarg —
A. K. Agarwal and H. B. Naik  
373-380
On the thermal and redox history of the Yamato diogenite Y-74013 — Amalbikash Mukherjee and T. A. Viswanath
  381-395
Natural radioactivity distribution studies in Trivandrum district, Kerala, India — G. K. Raju, JohnMathai, G. R. Ravindra Kumar, and N. G. K. Nair
397-407
Seasonal and solar cycle variations of night-time anomalous enhancements in total electron content — N. Balant, P. B. Rao and K. N. Iyer
409-416
Estimation of evaporation rates over the Arabian Sea from satellite data —
M. Venkateswara Rao, V. Ramesh Babu, L. V. Gangadhara Rao and J. S. Sastry
417-426
Wind gradients at meteor heights over mid-latitude stations — PCS. Devara,
G. Chandrasekhar, and M. I. Ahmed
427-434
Sea surface temperature variability over North Indian Ocean — A study of two contrasting monsoon seasons —  M. R. Ramesh Kumar, S. Sathyendranath,
N. K. Viswambharan and L. V. Gangadhara Rao
435-446
An overview of climate models— M. Sankar Rao  
447-484
Review of stochastic dynamic method of weather prediction — P. C. Joshi and
D. R. Sikka  
485-503



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