| Mapping groundwater vulnerable zones using modified DRASTIC approach of an alluvial aquifer in parts of Central Ganga Plain, Western Uttar Pradesh R Umar, I Ahmed, F Alam Journal of the Geological Society of India 73, 193-201, 2009 | 115 | 2009 |
| A new model (DRASTIC-LU) for evaluating groundwater vulnerability in parts of central Ganga Plain, India F Alam, R Umar, S Ahmed, FA Dar Arabian Journal of Geosciences 7, 927-937, 2014 | 98 | 2014 |
| Hydrogeological and hydrochemical framework of regional aquifer system in Kali-Ganga sub-basin, India A Umar, R Umar, MS Ahmad Environmental Geology 40 (4), 602-611, 2001 | 87 | 2001 |
| Groundwater flow modelling of Yamuna-Krishni interstream, a part of central Ganga Plain Uttar Pradesh I Ahmed, R Umar Journal of Earth System Science 118, 507-523, 2009 | 83 | 2009 |
| Environmental risk assessment of coal fly ash on soil and groundwater quality, Aligarh, India I Khan, R Umar Groundwater for Sustainable Development 8, 346-357, 2019 | 80 | 2019 |
| Chemical characteristics of groundwater in parts of the Gambhir River basin, Bharatpur District, Rajasthan, India R Umar, A Absar Environmental Geology 44, 535-544, 2003 | 72 | 2003 |
| Groundwater hydrochemistry of a sugarcane cultivation belt in parts of Muzaffarnagar district, Uttar Pradesh, India R Umar, MMA Khan, A Absar Environmental Geology 49, 999-1008, 2006 | 61 | 2006 |
| Hydrochemical characteristics and seasonal variations in groundwater quality of an alluvial aquifer in parts of Central Ganga Plain, Western Uttar Pradesh, India R Umar, I Ahmed, F Alam, MM Khan Environmental geology 58, 1295-1300, 2009 | 55 | 2009 |
| Study of trace elements in groundwater of Western Uttar Pradesh, India MMA Khan, R Umar, H Lateh Scientific Research and Essays 5 (20), 3175-3182, 2010 | 53 | 2010 |
| Evaluation of hydrogeochemical characteristics and groundwater quality in the quaternary aquifers of Unnao District, Uttar Pradesh, India JA Ansari, R Umar HydroResearch 1, 36-47, 2019 | 51 | 2019 |
| Hydrochemical characteristics of groundwater in parts of Krishni-Yamuna Basin, Muzaffarnagar district, UP R Umar, I Ahmed Geological Society of India, 989-995, 2007 | 49 | 2007 |
| Assessment of hydrogeochemical characteristics of groundwater in parts of Hindon–Yamuna interfluve region, Baghpat District, Western Uttar Pradesh R Umar, F Alam Environmental monitoring and assessment 184, 2321-2336, 2012 | 43 | 2012 |
| Hydrogeological framework and water balance studies in parts of Krishni–Yamuna interstream area, Western Uttar Pradesh, India I Ahmed, R Umar Environmental geology 53, 1723-1730, 2008 | 41 | 2008 |
| Groundwater quality in parts of central Ganga Basin, India R Umar, M Sami Ahmad Environmental Geology 39, 673-678, 2000 | 41 | 2000 |
| Impact of land-use on groundwater quality: GIS-based study from an alluvial aquifer in the western Ganges basin A Khan, HH Khan, R Umar Applied Water Science 7, 4593-4603, 2017 | 37 | 2017 |
| Groundwater quality appraisal and its hydrogeochemical characterization—Mathura City, Western Uttar Pradesh S Ahmad, R Umar, I Arshad Journal of the Geological Society of India 94, 611-623, 2019 | 34 | 2019 |
| Significance of silica analysis in groundwater in parts of Central Ganga Plain, Uttar Pradesh, India MMA Khan, R Umar Current science, 1237-1240, 2010 | 31 | 2010 |
| Significance of silica in identifying the processes affecting groundwater chemistry in parts of Kali watershed, Central Ganga Plain, India A Khan, R Umar, HH Khan Applied Water Science 5, 65-72, 2015 | 30 | 2015 |
| Assessment of aquifer vulnerability in parts of Indo Gangetic plain, India MMA Khan, R Umar, H Lateh Int. J. Phys. Sci 5 (11), 1711-1720, 2010 | 30 | 2010 |
| An integrated approach for aquifer vulnerability mapping using GIS and rough sets: Study from an alluvial aquifer in north India A Khan, HH Khan, R Umar, MH Khan Hydrogeology Journal 22 (7), 1561, 2014 | 29 | 2014 |
Izrar AhmadAligarh Muslim University在 amu.ac.in 的电子邮件经过验证
