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garima tomar

Environmentalist..
Address: NEW DELHI

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Papers by garima tomar

Research paper thumbnail of Study of hydrochemical and geochemical characteristics and solute fluxes in Upper Ganga Basin, India

Journal of Asian Earth Sciences: X

Research paper thumbnail of Seasonal variation in physico-chemical and phytoplankton diversity of Alaknanda River at Garhwal region ( Uttarakhand )

Alaknanda River originated from Satopanth and Bhagirathi kharak glacier at an elevation of 3880 m... more Alaknanda River originated from Satopanth and Bhagirathi kharak glacier at an elevation of 3880 m in Garhwal region of Uttarakhand. The seasonal variation of physico-chemical characteristics and phytoplankton diversity of Alaknanda River were studied for a period of one year. In the present study, various physico-chemical parameters i.e. water temperature, velocity, pH, EC, total alkalinity, calcium, magnesium, phosphate, sulfate and nitrate were analyzed during Summer, Monsoon and Winter season on selected four zones from the period of Sep. 2016-Aug. 2017. The present study revealed that the physico-chemical parameters of River water showed a great seasonal variation as DO increases in winter season. pH, EC and total alkalinity were observed highest in rainy season on every zone, which had a strong impact on other physico-chemical characteristics of River. 31 genera of phytoplankton were recorded under family as Bacillariophyceae, Chlorophyceae, Myxophyceae, Euglenophyceae and Xant...

Research paper thumbnail of Relationship between macrobenthos and abiotic characteristics of river Alaknanda in a stretch from Chamoli to Devprayag in Garhwal Himalayan region of Uttarakhand, India

Journal of Applied and Natural Science

Macrobenthos is the best water quality indicator for ecosystem health assessment. The present stu... more Macrobenthos is the best water quality indicator for ecosystem health assessment. The present study aimed to examine the interrelationship between macrobenthos and different water quality parameters of the river Alaknanda at Garhwal Himalaya. Four demarcated sampling zones viz. zone-A (Chamoli to Nandprayag), zone-B (Karanprayag to Rudraprayag), zone-C (Rudraprayag to Srinagar) and zone-D (Srinagar to Devprayag) were taken from its approximately 170 km long stretch during 2016-2018. River water characteristics were analyzed for the important parameters viz. substratum, water temperature (WT), water velocity, pH, electrical conductivity (EC), total dissolved solids (TDS), calcium (Ca), and magnesium (Mg) using standard methods. The results indicated that the river water velocity was the highest 1.02 m/s at zone-C, TDS of 114.19 mgl-1 was maximum at zone-A ; and Ca and Mg were recorded highest 23.17 mgl-1 and 5.44 mgl-1 at zone-A and zone-B, respectively. All abiotic parameters (pH, ...

Research paper thumbnail of Author Correction: Combination of ERK and autophagy inhibition as a treatment approach for pancreatic cancer

Research paper thumbnail of Assessment of water quality index of Jhilmil lake at Haridwar, Uttarakhand

Jhilmil Lake is a fresh water lake located in south part of Haridwar, Uttarakhand and declared as... more Jhilmil Lake is a fresh water lake located in south part of Haridwar, Uttarakhand and declared as conservation reserve by Govt. of Uttarakhand. Water Quality Index is a tool to determine the status of the present water quality scenario with respect to priority of parameter against weight value and to assess the allocation wise suitability towards quality of water. Two sampling sites were selected along the lake for sampling purpose from January to December 2013. Water samples were analyzed in terms of physico-chemical water quality parameters. The overall average value of water were found as temperature (22 ± 0 .45°C), pH (7.9 ± 0.25), turbidity (13.4 ± 0.31NTU), total dissolved solids (200±0.09 mg/l), conductivity (0.58 ± 0.68 µS/cm), DO (6.8 ± 0.13 mg/l), BOD (6.6 ± 0.09 mg/l), COD (16.1 ± 0.36 mg/l), alkalinity (102 ± 0.47 mg/l), total hardness (130 ± 0.32 mg/l), sulphate (0.33±0.53 mg/l), phosphate (0.27 ± 0.34 mg/l) and nitrate (0.16±0.45 mg/l). The results were compared with standards given by WHO and BIS guideline for drinking water. All parameters were found below the permissible limits for drinking water. All observed parameters were found under category of good quality. It indicates that Jhilmil lake water can be used for drinking of swamp deer and other wild animals of adjacent area of National park. Lake water is also suitable for irrigation practices of nearest villagers.

Research paper thumbnail of Study of hydrochemical and geochemical characteristics and solute fluxes in Upper Ganga Basin, India

Journal of Asian Earth Sciences: X

Research paper thumbnail of Seasonal variation in physico-chemical and phytoplankton diversity of Alaknanda River at Garhwal region ( Uttarakhand )

Alaknanda River originated from Satopanth and Bhagirathi kharak glacier at an elevation of 3880 m... more Alaknanda River originated from Satopanth and Bhagirathi kharak glacier at an elevation of 3880 m in Garhwal region of Uttarakhand. The seasonal variation of physico-chemical characteristics and phytoplankton diversity of Alaknanda River were studied for a period of one year. In the present study, various physico-chemical parameters i.e. water temperature, velocity, pH, EC, total alkalinity, calcium, magnesium, phosphate, sulfate and nitrate were analyzed during Summer, Monsoon and Winter season on selected four zones from the period of Sep. 2016-Aug. 2017. The present study revealed that the physico-chemical parameters of River water showed a great seasonal variation as DO increases in winter season. pH, EC and total alkalinity were observed highest in rainy season on every zone, which had a strong impact on other physico-chemical characteristics of River. 31 genera of phytoplankton were recorded under family as Bacillariophyceae, Chlorophyceae, Myxophyceae, Euglenophyceae and Xant...

Research paper thumbnail of Relationship between macrobenthos and abiotic characteristics of river Alaknanda in a stretch from Chamoli to Devprayag in Garhwal Himalayan region of Uttarakhand, India

Journal of Applied and Natural Science

Macrobenthos is the best water quality indicator for ecosystem health assessment. The present stu... more Macrobenthos is the best water quality indicator for ecosystem health assessment. The present study aimed to examine the interrelationship between macrobenthos and different water quality parameters of the river Alaknanda at Garhwal Himalaya. Four demarcated sampling zones viz. zone-A (Chamoli to Nandprayag), zone-B (Karanprayag to Rudraprayag), zone-C (Rudraprayag to Srinagar) and zone-D (Srinagar to Devprayag) were taken from its approximately 170 km long stretch during 2016-2018. River water characteristics were analyzed for the important parameters viz. substratum, water temperature (WT), water velocity, pH, electrical conductivity (EC), total dissolved solids (TDS), calcium (Ca), and magnesium (Mg) using standard methods. The results indicated that the river water velocity was the highest 1.02 m/s at zone-C, TDS of 114.19 mgl-1 was maximum at zone-A ; and Ca and Mg were recorded highest 23.17 mgl-1 and 5.44 mgl-1 at zone-A and zone-B, respectively. All abiotic parameters (pH, ...

Research paper thumbnail of Author Correction: Combination of ERK and autophagy inhibition as a treatment approach for pancreatic cancer

Research paper thumbnail of Assessment of water quality index of Jhilmil lake at Haridwar, Uttarakhand

Jhilmil Lake is a fresh water lake located in south part of Haridwar, Uttarakhand and declared as... more Jhilmil Lake is a fresh water lake located in south part of Haridwar, Uttarakhand and declared as conservation reserve by Govt. of Uttarakhand. Water Quality Index is a tool to determine the status of the present water quality scenario with respect to priority of parameter against weight value and to assess the allocation wise suitability towards quality of water. Two sampling sites were selected along the lake for sampling purpose from January to December 2013. Water samples were analyzed in terms of physico-chemical water quality parameters. The overall average value of water were found as temperature (22 ± 0 .45°C), pH (7.9 ± 0.25), turbidity (13.4 ± 0.31NTU), total dissolved solids (200±0.09 mg/l), conductivity (0.58 ± 0.68 µS/cm), DO (6.8 ± 0.13 mg/l), BOD (6.6 ± 0.09 mg/l), COD (16.1 ± 0.36 mg/l), alkalinity (102 ± 0.47 mg/l), total hardness (130 ± 0.32 mg/l), sulphate (0.33±0.53 mg/l), phosphate (0.27 ± 0.34 mg/l) and nitrate (0.16±0.45 mg/l). The results were compared with standards given by WHO and BIS guideline for drinking water. All parameters were found below the permissible limits for drinking water. All observed parameters were found under category of good quality. It indicates that Jhilmil lake water can be used for drinking of swamp deer and other wild animals of adjacent area of National park. Lake water is also suitable for irrigation practices of nearest villagers.

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