The impact of urban industrial growth on groundwater quality in Visakhapatnam, India

N. V. Subba Rao , C. Subba Rao
IAHS-AISH publication 203 -209

1999
Groundwater quality in visakhapatnam urban area, Andhra Pradesh

G. Krishna Rao , N. Subba Rao
Indian journal of environmental health 33 ( 1) 25 -30

9
1991
A PRELIMINARY REPORT ON FLUORIDE CONTENT IN GROUNDWATERS OF GUNTUR AREA, ANDHRA PRADESH, INDIA

N. Subba Rao , P. Madusudhana Reddy , D. J. Devadas , J. Prakasa Rao
Current Science 75 ( 9) 887 -888

26
1998
Dugwells and borewells in hard rock: aquifers of Visakhapatnam District, Andhra Pradesh ― a comparative study

N. Subba Rao , G. Krishna Rao
Journal of Association of Exploration Geophysicists 4 ( 4) 11 -18

1
1984
Trace elements in drinking waters of Visakhapatnam area, Andhra Pradesh

G. Krishna Rao , N. Subba Rao
Geophysical research bulletin 26 ( 4) 140 -143

1988
Controlling factors of fluoride in groundwater in a part of South India

N. Subba Rao
Arabian Journal of Geosciences 10 ( 23) 524

32
2017
Geochemistry of carbonate precipitation from the groundwater in a coastal region

N. Subba Rao , K. V. Srinivasa Rao , P. Surya Rao , Ch. Venkat Rao
Journal of the Geological Society of India 73 ( 5) 651 -656

2
2009
Spatial variations of groundwater vulnerability using cluster analysis

N. Subba Rao , P. Surya Rao , D. Deva Varma
Journal of The Geological Society of India 81 ( 5) 685 -697

12
2013
Suitability of groundwater quality for drinking, irrigation and industrial purposes in the Western Delta Region of the River Godavari, Andhra Pradesh

P. V. Nageswara Rao , S. Appa Rao , N. Subba Rao
Journal of the Geological Society of India 86 ( 2) 181 -190

5
2015
Groundwater pollution due to discharge of industrial effluents in Venkatapuram area, Visakhapatnam, Andhra Pradesh, India

N. Subba Rao , V. V. S. Gurunadha Rao , C. P. Gupta
Environmental Geology 33 ( 4) 289 -294

36
1998
Geochemistry of groundwater in parts of Guntur district, Andhra Pradesh, India

N. Subba Rao
Environmental Earth Sciences 41 ( 5) 552 -562

147
2002
PIG: a numerical index for dissemination of groundwater contamination zones

N. Subba Rao
Hydrological Processes 26 ( 22) 3344 -3350

33
2012
Identification of controlling processes of groundwater quality in a developing urban area using principal component analysis

Deepali Marghade , D. B. Malpe , N. Subba Rao
Environmental Earth Sciences 74 ( 7) 5919 -5933

20
2015
Major ion chemistry of groundwater in a river basin: a study from India

N. Subba Rao , P. Surya Rao
Environmental Earth Sciences 61 ( 4) 757 -775

53
2010
High-fluoride groundwater

N. Subba Rao
Environmental Monitoring and Assessment 176 ( 1) 637 -645

54
2011
Factors controlling the salinity in groundwater in parts of Guntur district, Andhra Pradesh, India.

N. Subba Rao
Environmental Monitoring and Assessment 138 ( 1) 327 -341

82
2008
Geochemical characteristics and controlling factors of chemical composition of groundwater in a part of Guntur district, Andhra Pradesh, India

N. Subba Rao , Deepali Marghade , A. Dinakar , I. Chandana
Environmental Earth Sciences 76 ( 21) 747

52
2017
Delineation of groundwater prospective zones from a delta region of India, using geoelectrical and water quality approach

P. V. Nageswara Rao , S. Appa Rao , N. Subba Rao
Environmental Earth Sciences 77 ( 17) 1 -16

3
2018