LIST OF PUBLICATIONS (PAPER PUBLISHED/ PRESENTED)
RECENT PUBLICATION IN INTERNATIONAL JOURNALS
69. Kumar, A. Conceptualization of the recent change in groundwater quality of the shallow aquifer of the hydrocarbon-rich Barmer sedimentary basin, Rajasthan, India. Arab J Geosci 16, 306 (2023). https://doi.org/10.1007/s12517-023-11396-z
70. Kumar, A., Thambidurai, P. (2023). Impact of Urbanization and River Morphology on Groundwater System in Patna Urban Area, Bihar, India. In: Thambidurai, P., Dikshit, A.K. (eds) Impacts of Urbanization on Hydrological Systems in India. Springer, Cham. https://doi.org/10.1007/978-3-031-21618-3_9
71. Kumar, A., Thambidurai, P. (2022) Relationship of topography, weathering, and water table in Usri watershed of Chota Nagpur Plateau, India. Arab J Geosci 15, 504 (2022). https://doi.org/10.1007/s12517-022-09624-z
72. Sinha, R., Kumar, A. (2019). Characterization of a Deep Saline Aquifer Using Oil Exploration Data in an Arid Region of Rajasthan, India. In: Ray, S. (eds) Ground Water Development – Issues and Sustainable Solutions. Springer, Singapore. https://doi.org/10.1007/978-981-13-1771-2_4
73. Kumar, A. An integrated approach for evaluating groundwater resources of the weathered granite gneiss aquifer of the Usri watershed, Jharkhand, India. Arab J Geosci18, 3 (2025). https://doi.org/10.1007/s12517-024-12126-9
OLD PUBLICATIONS
1. Kumar Ashok, et al., (1991). Geomorphological Units, their Geohydrological characteristics and vertical electrical sounding response near Munger, Bihar. J. Indian Soc. Remote Sensing, 19(4):205-215. https://doi.org/10.1007/BF03030772
2. Kumar Ashok et al., (1990). Lineament and its analysis for groundwater supported by surface and sub-surface explorations-A case study in parts of Ranchi district, Bihar. National Seminar on Geophysics in National Development, B.H.U., Varanasi.
3. Kumar Ashok, (1990). Groundwater and lateral variation of subsurface lithounit near Ratu, Ranchi district, Bihar – a satellite Remote sensing and Geophysical resistivity survey analysis. Proc. sixteenth annual convention & seminar on exploration geophysics, AEG, Hyderabad .
4. Kumar Ashok, (1989). Is hydrogeomorphic mapping in hard rock area useful for groundwater prospects determination- a resistivity analysis. Proc. fifteenth annual convention & seminar on exploration Geophysics, AEG.
5. Kumar Ashok et al., (1994). Missing scientific strategies of groundwater development -needs organisational co-operation in Bihar. National seminar on groundwater resource management with special reference to Bihar Jan.4 1994, Patna.
6. Kumar Ashok et al., (1988). Hyderogemorphological mapping of five districts of south Bihar using remote sensing techniques, some observation. Workshop on remote sensing application in water management, Dec. 28-30, Bhuneshwar.
7. Kumar Ashok et al., (1989). Integrated approach for tubewell site location in problem area- a case study near village Chitab,Gaya distirct. Proc. of national symposium on engineering application of remote sensing and recent advances, Dec.21-23, Indore.
8. Kumar et.al., (1990). Integrated approach for demarcating the fracture zone for well site location – a case study near Gumla & Lohardaga Bihar. J. Indian Soci Remote Sensing. 18 (3) : 1-8. https://doi.org/10.1007/BF03030727
9. Kumar Ashok et.al., (1991). Vertical electrical sounding response and its application potential in different parts of Bihar. Seminar on groundwater for rural development, International Hydrological Association, Feb. 23-24, Patna.
10. Kumar Ashok, (1992). Groundwater prospects along and across the lineament- a remote sensing and electrical resistivity survey analysis near Daltanganj, Bihar. Proc. of AEG Seminar, Jaipur.
11. Kumar Ashok, (1992). Reproducibility test of lineament – a case study in Siwane sub-basin, Hazaribagh, Bihar. Proc. ISRS Seminar, Lucknow, pp. 244- 249.
12. Kumar Ashok, (1993). Symposium on Groundwater Depletion in Bihar plateau- Reasons & Remedies. Bihar Engineering Service Association, Ranchi.
13. Kumar Ashok, (1993). Variation in hydrogeophysical parameters with landform in the lower reaches of the Kanchi sub-basin, Bihar – an analysis through geo-electrical survey. Paper accepted in JAEG, Hyderabad.
14. Kumar Ashok, (1993). Ranchi mega lineament & its correlation with geological and geophysical data, J. Indian Soc. Remote Sensing, 22 (1): 57-64. https://doi.org/10.1007/BF03015120
15. Kumar Ashok, (1993). Groundwater exploration in Kanchi sub-watershed, Ranchi – a study through remote sensing & geophysical techniques. Proc. of Seminar & Convention of ISRS, Gauwahati, pp. 167 – 174.
16. Kumar Ashok, et.al., (1988). Identification and mapping of wastelands at micro level for Vaishali district of Bihar using landsat thematic mapper data. Seminar on the Role of Remote Sensing in the Socio Economic Development of the State, Patna.
17. Kumar Ashok, (1993). Earthquake & disaster management. Training Programme for Senior Level officer’s on disaster management, W.H.O. Nov., Patna.
18. Kumar Ashok, (1994/1995). Aquifer geometry scanning in Chianki Horticulture Farm, Palamu, Bihar- A Electrical Resistivity Approach. AEG National Convention & Seminar on Exploration Geophysics, Oct. 5- 7, Deheradun
19. Kumar Ashok, (1994/1995). Reproducible lineaments and vertical electrical sounding response – a case study in Siwane sub-basin, Hazaribagh, Bihar. Proc. Indian Soc. Remote Sensing, Golden Jubilee Symposium, Deheradun, p. 397.
20. Kumar Ashok, et al., (1995). Scope of application of geographic information system in groundwater related studies in Bihar. Proc. National Workshop on Geographic Information System and Economic Development, SCADA, Feb. 9- 10, Patna.
21. Kumar Ashok, et al., (1995). Correlation of lineaments with surface and bedrock topography in Lapasiya watershed of Siwane sub-basin, Hazaribagh, Bihar – a case study. National symposium on Remote Sensing on Environment with Special Emphasis on Green Revolution, ISRS, Nov. 22- 24, Ludhiana,
22. Kumar Ashok, et al., (1996). Sustainable utilisation of water resource in lapasiya watershed, Siwane sub-basin, Hazaribagh, Bihar using geographic information system – a case study. Proc. Second International Seminar & Exhibition on Geophysics beyond 2000, AEG, Nov. 19-20, Hyderabad, pp. 39-41.
23. Kumar Ashok, et al., (1996). Sustainable utilisation & management of groundwater in Churchu watershed, Hazaribagh, Bihar – a remote sensing, geophysical & GIS approach. Proc. ISRS Symposium on Remote Sensing for Natural Resources, Pune, p. 228.
24. Kumar Ashok, et al., (1996). Optimization of groundwater exploration through aquifer geometry scanning and remote sensing – a case study in Usri-I watershed, Giridih, Bihar, Proc. ISRS, Bhopal Chapter Seminar, April 24-25, Bhopal.
25. Kumar Ashok, et al., (1997). Watershed management and associated environmental problems of Siwane sub-basin, Hazaribagh, BIhar using geographic information system (GIS). National Seminar on Geology & Environment, Vinoba Bhave University, April 6-7, Hazaribagh.
26. Kumar Ashok, et al., (1997). Digital Basement Terrain Modeling (DBTM) – a tool for sustainable utilisation and management of groundwater in hard rock area. National Conference on Emerging Trends in the Development of Sustainable Groundwater Sources, Centre of Water Resources, Jawahar Lal Nehru Technological University, August 27-28, Hyderabad.
27. Kumar Ashok, (1997). Natural resource database management for sustainable utilisation of water resources in Lapasiya watershed, Hazarigbagh, Bihar. Proc. Workshop on Application of Remote Sensing & GIS in Water Resource Development, CBIP, Sept. 17-19, Bangalore.
28. Kumar Ashok, (1998). Prioritization of watershed for sustainable development of natural resources in Chotanagpur region – a case study. Asian Pacific Remote Sensing Journal
29. Kumar Ashok, (1998). Correlation of geophysically derived aquifer porosity model & digital basement terrain model (DBTM) of un-confined aquifer system of hard rock area – a case study from Chotanagpur Plateau. Seminar on Groundwater Resources Assessment and Management Perspective for 21st Century, Deptt of Geophysics, BHU, July 23-24, Varanasi.
30. Kumar Ashok, (1999). Sustainable utilisation of water resources in watershed perspective – a case study in Alaunja watershed, Hazaribagh, Bihar. J. Indian Soc. Remote Sensing, 27 (1): 13-22. https://doi.org/10.1007/BF02990771
31. Kumar Ashok, et al., (1998). Groundwater assessment through hydrogeomorphological and geophysical survey – a case study in Godavari sub-watershed, Giridih, Bihar. J. Indian Soc. Remote Sensing, 26 (4): 177-183. https://doi.org/10.1007/BF02990796
32. Kumar Ashok, (1998). Estimation of groundwater reserves in hard rock area through DBTM technique – a case study in Godavari sub-watershed, Giridih, Bihar, Seminar on Exploration Geophysics, AEG, Nov. 28-31, Nagpur.
33. Kumar Ashok, et al., (1998). Prioritization of sub-watershed for water resources development in Usri watershed, Giridih, Bihar – a case study. Proc. International Conference on Watershed Management and Conservation, CBIP, Delhi, Dec.
34. Kumar Ashok, et al., (1999). Analysis of fractures inferred from DBTM and remotely sensed data for groundwater development in Godavari sub-watershed, Giridih, Bihar. J. Indian Soc. Remote Sensing, Vol. 27, No. 2, pp105 -114. https://doi.org/10.1007/BF02990806
35. Kumar Ashok et al., (1999). Assessment of groundwater resources through hydro-geomorphic zonation in Kewta watershed. Paper accepted in National Symposium on Remote Sensing Application for Natural Resources, Indian Soc. Remote Sensing, Dec. 15-17, Bhuwaneswar.
36. Kumar Ashok, et al., (1999). Groundwater prospects analysis through hydrogeophysical parameter and hydrogeomorphic zonation – a case study in parts of Kewta watershed, Upper Barakar Basin, Bihar. Symposium on Earth Sciences in the next Millennium, IGU, Dec. 21-23, Pondicherry.
37. Kumar Ashok, (1999). Groundwater development and management for Siwane sub-basin of Hazaribagh district. Invited paper in Eastern States Regional Contact Workshop on NRDMS, DST, Dec. 1-2, Calcutta.
38. Kumar Ashok, et al., (1999). Total groundwater reserve estimation through DBTM technique – a case study in Kewta watershed, National Conference on Planning and Development of Groundwater Resources in India – A perspective for 21st century, Deptt of Geology, Science College, Patna University, Dec. 17-18, Patna
39. Kumar, L.B. Prasad, B. B. Prasad and Nisha Mendiratta, (2001). GIS and GWW is tool for creating Ground Water Information System (GWIS) – A case study of Upper Barakar Basin, Bihar, Proc. International Conference in Remote Sensing, ICORG 2000, JNTU, Hyderabad, Vol. II, pp144-151. https://www.geospatialworld.net/article/gis-and-gww-is-tool-for-creating-ground-water-information-system-gwis-a-case-study-of-upper-barakar-basin-bihar/
40. Kumar Ashok, Savita Tomar, L.B. Prasad and B.B. Prasad, (2000). Analysis of Hydrogeophysical properties of aquifer and reserve estimation for sustainable development of ground water in Kewta watershed, Hazaribagh. Proc. Workshop Challenges in Ground Water Development, Central Board of Irrigation and Power, 7-9 June, Tirupati, A.P.. pp 325-332. https://www.geospatialworld.net/article/analysis-of-hydrogeophysical-properties-of-aquifer-and-reserve-estimation-for-sustainable-development-of-groundwater-in-kewta-watershed-hazaribagh/
41. Kumar Ashok and Prasad Lal Bihari, (2001). Understanding Groundwater Resources in Margajo watershed, Koderma, Jharkhand – GWIS & GIS approach, Proc. Workshop on remote sensing and GIS application in water resources engineering, CBIP & Geographical Committee of International Water Resources Association, 29-31 August, Lucknow. pp. 114-123. https://www.geospatialworld.net/article/understanding-groundwater-resources-in-margajo-watershed-koderma-jharkhand-gwis-and-gis-approach/
42. Kumar Ashok & Ghosh Amitabh, (2001). Hydrological Information System and Remote Sensing. Workshop on Requirement analysis on National Resource Database of Integrated National Agriculture Resources Information System, 11-12 Sept., Patna, India, ICAR Research Complex for Eastern Region.
43. Kumar Ashok, (2001). Groundwater modelling of unconfined aquifer system of crystalline Area – A case study in Lapasiya Watershed, Hazaribagh, India, Intl. Workshop on GIS technologies for sustainable development at local level, 9-11 Oct. New Delhi, DST-UNDP, pp. 124-127. https://www.geospatialworld.net/article/groundwater-modeling-of-unconfined-aquifer-system-of-crystalline-area-a-case-study-in-lapsiya-watershed-hazaribagh-india/, https://www.scribd.com/document/88412308/Groundwater-Modeling-of-Unconfined-Aquifer-System-of-Crystalline-Area
44. Kumar Ashok, (2001). Groundwater Modelling of Unconfined Aquifer System of Crystalline Area – A case study in Lapasiya Watershed, Hazaribagh, India. Intl. Groundwater Conference IGC-2002 on Sustainable development and management of groundwater resources in semi-arid region with special reference to Hard rocks, Dindigal, Tamil Naidu, India. https://www.geospatialworld.net/article/groundwater-modeling-of-unconfined-aquifer-system-of-crystalline-area-a-case-study-in-lapsiya-watershed-hazaribagh-india/
45. Kumar Ashok, Prasad L. B. and Tomar Savita, (2002). Total Groundwater reserve estimation in Kewta watershed, Upper Barakar Basin, Hazaribagh through DBTM technique. Planning and Development of Groundwater Resources in India – A perspective for the 21st century. Editors: Basant Kumar Mishra and Ramesh Shukla, Patna University, Patna pp. 33-37
46. Kumar Ashok, Mishra B. K., Prasad K. and Shukla R., (2002). Groundwater management and planning for Siwane sub-basin in Hazaribagh district, Bihar. Editors: Basant Kumar Mishra and Ramesh Shukla, Patna University, Patna Satyam Publiction, Patna. pp. 169-178. https://www.geospatialworld.net/article/groundwater-management-and-planning-for-siwane-sub-basin-in-hazaribagh-district-bihar/
47. Kumar Ashok and Prasad L.B., (2002). Development of Spatial Decision Support System for Groundwater Using GIS based Numerical Modelling Technique – Margajo Watershed, Hazaribagh. International Conference on Hydrology and watershed management with a focal theme on water quality and conservation for sustainable development, 18-20th Dec., CWR, IPGSR, JNTU, Hyderbad. http://www.gbv.de/dms/goettingen/377469351.pdf
48. Kumar Ashok and Prasad L.B., (2002). DSTM and DBTM for Estimation of Static and Dynamic Groundwater Reserve Estimation in Hard Rock – A case study in Margajo Watershed. International Conference on Hydrology and watershed management with a focal theme on water quality and conservation for sustainable development, 18-20th Dec., CWR, IPGSR, JNTU, Hyderbad. http://www.gbv.de/dms/goettingen/377469351.pdf
49. Kumar Ashok, (2004). GIS based Ground Water Information System of Patna Urban Area. ISRS Annual Convention and National Symposium on Converging Space Technologies for National Development, 3- 5th Nov., Jaipur
50. Kumar Ashok, (2004). Natural Resources Database Management in Margajo watershed, Upper Barakar Basin, Hazaribagh using GRAM++ GIS. National Seminar on Role of Geoinformatics in decentralized planning for better governance. 7 – 8 Oct., BIT Mesra, Ranchi. https://www.geospatialworld.net/article/understanding-groundwater-resources-in-margajo-watershed-koderma-jharkhand-gwis-and-gis-approach/
51. Kumar Ashok and Ghosh Amitabh, (2005). Performance evaluation of traditional irrigation system in Nawada – Gaya area of Bihar using remote sensing data. National symposium on application of remote sensing and GIS for environmental planning and management. 14 – 15 March. Centre for Regional Studies, T. M. University, Bhagalpur.
52. Kumar Ashok, (2005). Spatial Decision Support System for groundwater management using Numerical Groundwater Modelling approach in Margajo watershed in hard rock area of Jharkhand, India. 8th Annual International Conference and Exhibition in the field of GIS, GPS, Aerial photography and Remote Sensing (MAPINDIA2005). 7 9 Feb., GIS Development, New Delhi
53. Kumar Ashok, (2005). Development of GIS based spatial decision support system for groundwater management using numerical groundwater modeling technique – Lapsiya watershed, Siwane sub-basin, Hazaribagh. XII World Water Congress (Water of sustainable development towards innovative solutions. 22 – 25 Nov., CBIP, New Delhi
54. Kumar Ashok, (2005). Prediction of urban impact on multi-layered aquifer of the Ganges basin near Patna using Numerical Groundwater Mdelling. MODELCARE2005 (Fifth International Conference on calibration and reliability in groundwater modeling: from uncertainty to decision making. 6 – 9th June, The Netherlands Institute of Applied Geoscience, The Netherlands.
55. Kumar Ashok. (2005). 3D Numerical Groundwater Modelling of weathered aquifer system – a case study in Lapsiya watershed, Hazaribagh, India. NRDMS National workshop. 29-30 July, CRS, Bharathidasam University, Tiruchorappalli.
56. David L. Sturrock, Ashok Kumar, Anurag Pattnaik, Nigel Banks, and Michael Price, (2008). Geology and Geocellular Modelling of a Saline Aquifer: From Integration of Hydrogeology and Petroleum Geology in a Study of the Thumbli Formation, Rajasthan, North-West India. GEO India Expo XXI, Noida, New Delhi, India 2008©AAPG Search and Discovery. http://www.searchanddiscovery.com/abstracts/html/2008/geo_india/abstracts/sturrock.htm
57. Kumar Ashok and Sinha Ranjan, (2010). Well field design for abstraction of high volume saline groundwater from Thumbli aquifer, Barmer Basin, Rajasthan, India XXXVIII IAH 2010 World Congress on “Groundwater Quality Sustainability, September 12-17, 2010 in Krakow, Poland. http://home.agh.edu.pl/~iah2010/extab/ext-abstract/186-iah2010_kumar.pdf
58. Peytchev Peter, Crighton Alan, Upadhyay Abhishek, Doodraj Sunil, Malik Sumit, Kumar Ashok, Singh Ratan, Sinha Ranjan and Meempat Balu Govind, (2011). Optimization of Injection Water Source Wells for Oil Production in an Arid Region: Barmer Basin, Rajasthan, India. SPE Paper
59. Kumar Ashok and Krishnan Jayshankar,(2011). Water management in desert for Mangala oil field Development, Barmer, Rajasthan. National Conference on case studies in Environmental Management, Visvesvaraya National Institute of Technology and (VNIT), Nagpur and Indian Association for Environmental Management, Nagpur
60. Kumar Ashok and Sinha Ranjan, (2011). Technological Advancement in Groundwater monitoring mechanism. Proceedings of workshop on springs recharge and rejuvenation of national springs by artificial recharge and catchment treatment, pp74-85, CGWB, State Unit Office, Srinagar, North Western Himalayan Region, Jammu, March 2011
61. Sinha Ranjan, Kumar Ashok, (2015). Mapping of Miocene Aquifer for Oil Field Development in Arid Region of Rajasthan, India. Proceedings of Seminar on Bhujal Manthan, A national dialogue on Clean and Sustainable Groundwater. Central Ground Water Board, Ministry Of water Resources, River development and Ganga rejuvenation, Govt of India. http://cgwb.gov.in/Bhujal-manthan/program-schedule-Bhujal%20Manthan-21082015.pdf
62. Sinha Ranjan, Kumar Ashok, (2015). Characterisation of a deep saline aquifer using oil exploration Data in an arid Region of Rajasthan, India. Proceedings of International Seminar on Challenges to Ground Water Management: Vision 2050, Center for Ground Water Studies, Kolkata, India. Also published in Springer Nature Singapore (Ground Water Development-Issues and Sustainable Solutions pp.69-83, https://doi.org/10.1007/978-981-13-1771-2_4
63. Sinha Ranjan, Kumar Ashok, (2016). Deep Water Well Drilling using Oil Field Technology. Proceedings of the conference on Emerging Issues Opportunities and Challenges In Water Well Drilling, 24th May 2016, Central Ground Water Board, Ministry of Water Resources, River Development and Ganga Rejuvenation New Delhi, Govt. of India,
64. Sinha Ranjan and Kumar Ashok, (2016). A comprehensive aquifer monitoring mechanism for groundwater management of oil field in Barmer Basin, Rajasthan, Proceedings of National workshop on Role of groundwater in smart cities and villages, 17th Dec 2016, Manav Rachana International University, Faridabad, India organized by INC-IAH
65. Kumar Ashok, Sinha Ranjan, (2018). Measurement of land subsidence due to human induced change in aquifer. Proceedings of Diamond Jubilee Conference on Emerging trends in Geophysical Research for make in India, March 9-11, 2018, IIT-ISM, Dhanbad, Jharkhand, India
66. Sinha Ranjan, Bankey, Subhash Chandra, Kumar Ashok (2018). Laboratory Information Management System (LIMS) -A Real Time Digital Tool for oil Field Laboratory Management e-poster presented in “Workshop on Digitalisation-Driving Data to Decisions”, Organized by Society of Petroleum Engineers, Bangaluru, India
67. Sinha Ranjan, Kumar Ashok, (2019). Aquifer Testing and well Field Design in Deep Miocene Aquifer for Oil Field Development in Parts of Barmer and Jalore District, Rajasthan. Proceedings of National Conference on Groundwater Sustainability, 28th March, Faridabad, Organized by MRIIRS, CGWB, INC-IAH & GHS, Faridabad.
68. Sinha Ranjan, Kumar Ashok, (2019). Characterization and well field design of Miocene Aquifer for saline water requirement of oil and gas field of Rajasthan, India. Proceedings pf 8th International Conference on Sustainable management of Soil-Water Resources, October, 21-24, 2019, Department of Hydrology, Indian Institute of Technology, Roorkee, India.
