Dipankar Sharma | Assam Engineering College,Guwahati (original) (raw)

Papers by Dipankar Sharma

Prioritization of a river basin is utmost important for soil conservation and also it helps in id... more Prioritization of a river basin is utmost important for soil conservation and also it helps in identifying the critical soil loss areas of the basin. Prioritization of the basin can be done with the help of morphometric analysis. In the present study the main watershed of Jiya Dhol basin is divided into 11 sub-watersheds and morphometric analysis is carried out in each of the sub-basins using Arc GIS 10.1 tool to identify the sub-watershed which is most vulnerable to soil erosion. The prioritization of this subwatershed has been carried out on the basis of morphometric analysis for land reclamation and soil erosion prevention. The maximum and minimum values of drainage density (Dd) are found to be 1.058 and 0.581 km/km2 for sub-watershed SWS10 and SWS5 and low drainage density values of sub-watershed SWS5 indicates that it has highly resistant, impermeable subsoil material with dense vegetative cover and low relief. The elongation ratio for the sub-watershed varies from 0.368 to 0.4...

International Journal for Research in Engineering Application & Management (IJREAM), 2021

Morphology is a field of science which deals with the change of river plan form and cross section... more Morphology is a field of science which deals with the change of river plan form and cross sections due to
sedimentation and erosion. A proper study of the basin morphometry helps a lot in the better understanding of the
basin characteristic and thus helps in better planning and management of the basin. In the present study,
morphometric analysis of the drainage basin has been carried using earth observation data and Geographical
Information System (GIS) techniques. Basin morphometry has been generally analysed under three broad aspects and
they are the linear, areal and relief aspects. These aspects of morphometric analysis have been studied extensively by
generating DEM of the basin and formulating them in Arc GIS 10.4.1 and compute various physical properties of the
basin. In the present study, Deepor Beel basin which is the only Ramsar Site in Assam has been selected for
morphometric analysis. From the study, it is found that Deepor Beel catchment consists of 4
th order stream covering an
area of about 256 Km2
. Besides, a total no of 108 streams having total stream length of 185.98 Km distributed
throughout the basin in a dendrite pattern.

International Research Journal of Engineering and Technology (IRJET), 2018

The study of river basin is very important in fluvial geography. Analysis of basin morphometric i... more The study of river basin is very important in fluvial geography. Analysis of basin morphometric is an integral part in
the study of river basin. Basin morphometry is a means of numerically analyzing or mathematically quantifying different
aspects of a drainage basin. Basin morphometry is an important means of understanding a drainage basin using mathematically
derived parameters. In the present study, morphometric analysis of the drainage basin has been carried using earth
observation data and geographical information system (GIS) techniques. Basin morphometry has been generally analyzed
under three broad aspects and they are the linear, areal and relief aspects. These aspects of morphometric analysis have been
studied extensively by generating DEM of the basin and formulating them in Arc GIS and compute various physical properties
of the basin. In the present study, the Jiya Dhol river basin which is one of the north bank tributaries of river Brahmputra in
Assam has been selected for morphometric analysis.
Key Words-Morphometric Analysis, Arc GIS,DEM, Linear, Areal and Relief aspects.

International Journal of Science and Research (IJSR), 2018

Abstract: Prioritization of a river basin is utmost important for soil conservation and also it h... more Abstract: Prioritization of a river basin is utmost important for soil conservation and also it helps in identifying the critical soil loss
areas of the basin. Prioritization of the basin can be done with the help of morphometric analysis. In the present study the main
watershed of Jiya Dhol basin is divided into 11 sub-watersheds and morphometric analysis is carried out in each of the sub-basins
using Arc GIS 10.1 tool to identify the sub-watershed which is most vulnerable to soil erosion. The prioritization of this sub- watershed
has been carried out on the basis of morphometric analysis for land reclamation and soil erosion prevention. The maximum and
minimum values of drainage density (Dd) are found to be 1.058 and 0.581 km/km² for sub-watershed SWS10 and SWS5 and low
drainage density values of sub-watershed SWS5 indicates that it has highly resistant, impermeable subsoil material with dense
vegetative cover and low relief. The elongation ratio for the sub-watershed varies from 0.368 to 0.422 which indicates gentle slope and
low relief. For prioritization of the sub-watersheds, the compound parameter values are calculated and the sub-watershed with the
lowest compound parameter is given the highest priority. The sub-watershed SWS8 has a minimum compound parameter value of 3.9
and SWS 5 has a maximum compound parameter 7.9. Hence SWS8 has come under the high risk for soil erosion and need to give a
high priority for land conservation practices.
Keywords: Prioritization, Morphometic Analysis, Compound parameter, Arc GIS, Sub-watershed

Prioritization of a river basin is utmost important for soil conservation and also it helps in id... more Prioritization of a river basin is utmost important for soil conservation and also it helps in identifying the critical soil loss areas of the basin. Prioritization of the basin can be done with the help of morphometric analysis. In the present study the main watershed of Jiya Dhol basin is divided into 11 sub-watersheds and morphometric analysis is carried out in each of the sub-basins using Arc GIS 10.1 tool to identify the sub-watershed which is most vulnerable to soil erosion. The prioritization of this subwatershed has been carried out on the basis of morphometric analysis for land reclamation and soil erosion prevention. The maximum and minimum values of drainage density (Dd) are found to be 1.058 and 0.581 km/km2 for sub-watershed SWS10 and SWS5 and low drainage density values of sub-watershed SWS5 indicates that it has highly resistant, impermeable subsoil material with dense vegetative cover and low relief. The elongation ratio for the sub-watershed varies from 0.368 to 0.4...

International Journal for Research in Engineering Application & Management (IJREAM), 2021

Morphology is a field of science which deals with the change of river plan form and cross section... more Morphology is a field of science which deals with the change of river plan form and cross sections due to
sedimentation and erosion. A proper study of the basin morphometry helps a lot in the better understanding of the
basin characteristic and thus helps in better planning and management of the basin. In the present study,
morphometric analysis of the drainage basin has been carried using earth observation data and Geographical
Information System (GIS) techniques. Basin morphometry has been generally analysed under three broad aspects and
they are the linear, areal and relief aspects. These aspects of morphometric analysis have been studied extensively by
generating DEM of the basin and formulating them in Arc GIS 10.4.1 and compute various physical properties of the
basin. In the present study, Deepor Beel basin which is the only Ramsar Site in Assam has been selected for
morphometric analysis. From the study, it is found that Deepor Beel catchment consists of 4
th order stream covering an
area of about 256 Km2
. Besides, a total no of 108 streams having total stream length of 185.98 Km distributed
throughout the basin in a dendrite pattern.

International Research Journal of Engineering and Technology (IRJET), 2018

The study of river basin is very important in fluvial geography. Analysis of basin morphometric i... more The study of river basin is very important in fluvial geography. Analysis of basin morphometric is an integral part in
the study of river basin. Basin morphometry is a means of numerically analyzing or mathematically quantifying different
aspects of a drainage basin. Basin morphometry is an important means of understanding a drainage basin using mathematically
derived parameters. In the present study, morphometric analysis of the drainage basin has been carried using earth
observation data and geographical information system (GIS) techniques. Basin morphometry has been generally analyzed
under three broad aspects and they are the linear, areal and relief aspects. These aspects of morphometric analysis have been
studied extensively by generating DEM of the basin and formulating them in Arc GIS and compute various physical properties
of the basin. In the present study, the Jiya Dhol river basin which is one of the north bank tributaries of river Brahmputra in
Assam has been selected for morphometric analysis.
Key Words-Morphometric Analysis, Arc GIS,DEM, Linear, Areal and Relief aspects.

International Journal of Science and Research (IJSR), 2018

Abstract: Prioritization of a river basin is utmost important for soil conservation and also it h... more Abstract: Prioritization of a river basin is utmost important for soil conservation and also it helps in identifying the critical soil loss
areas of the basin. Prioritization of the basin can be done with the help of morphometric analysis. In the present study the main
watershed of Jiya Dhol basin is divided into 11 sub-watersheds and morphometric analysis is carried out in each of the sub-basins
using Arc GIS 10.1 tool to identify the sub-watershed which is most vulnerable to soil erosion. The prioritization of this sub- watershed
has been carried out on the basis of morphometric analysis for land reclamation and soil erosion prevention. The maximum and
minimum values of drainage density (Dd) are found to be 1.058 and 0.581 km/km² for sub-watershed SWS10 and SWS5 and low
drainage density values of sub-watershed SWS5 indicates that it has highly resistant, impermeable subsoil material with dense
vegetative cover and low relief. The elongation ratio for the sub-watershed varies from 0.368 to 0.422 which indicates gentle slope and
low relief. For prioritization of the sub-watersheds, the compound parameter values are calculated and the sub-watershed with the
lowest compound parameter is given the highest priority. The sub-watershed SWS8 has a minimum compound parameter value of 3.9
and SWS 5 has a maximum compound parameter 7.9. Hence SWS8 has come under the high risk for soil erosion and need to give a
high priority for land conservation practices.
Keywords: Prioritization, Morphometic Analysis, Compound parameter, Arc GIS, Sub-watershed