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Questions related from Sudip Saha
How to remove harmful compounds from mustard oil?
14 June 2023 8,174 0 View
How can I draw a relief map? May I get any link please.
10 March 2023 6,959 5 View
Rhymites are indicator of sea level change, tides, glaciation and change in paleoclimatology. Does salinity play role to form tidal rhymites?
04 August 2020 2,687 8 View
The colour can be an index to determine the pollution of surface water. How can we determine the chemical pollution of the riverwater/surface water?
24 March 2020 7,200 11 View
The soil samples are sandy in nature. Weare interested to analyze total nitrogen, sulphur, Ca, Na, K and Mg content of soil sample. If you kindly suggest us the methodology.
19 March 2020 7,774 18 View
Tha shallow groundwater pH values vary from 5.5-8.0. Why do shallow groundwater have low pH values?
19 March 2020 6,572 6 View
The pH value of some sandy soils are below 5. May I know the causes of these low pH values of soil. What are the impacts of this on the environment?
18 March 2020 8,145 3 View
Which computer software is suitable for analysis of sphericity and roundnness of sediments?
04 January 2020 771 3 View
The Tista is a Transboundary river. The river flows through India and Bangladesh. Which geomorphic features are found in the Tista River basin?
14 November 2019 8,631 4 View
What is the maximum permissible limit of hardness recommended by WHO for potable water?
09 October 2019 3,779 3 View
If natural waters contain excess sodium like more than 200 mg/l what type of measures should be taken?
21 September 2019 3,313 0 View
Recent turbidite sediments are composed of sandy rhythmites and clayey rhythmites that alternate mainly with silt sized particles. I am interested to know the mineralogy of these types of sediments.
12 September 2019 1,803 3 View
Major anion facies is bicarbonate in groundwater. If the major cation facies are Na and K, what does it indicate?
09 September 2019 1,969 4 View
Normally the major anion found in the river water is bicarbonate. What are the major cations of river waters?
27 August 2019 9,267 21 View
When the correlation is significant in case of analyzing heavy metal concentration of water using Pearson correlation matrix?
22 July 2019 8,192 0 View
Do arsenic contaminated waters affect the metabolism of plants?
24 June 2019 7,694 8 View
What are the sources of arsenic in groundwater?
22 June 2019 6,339 8 View
What are the sources of zinc in groundwater samples?
21 June 2019 6,612 6 View
What is the impact of zinc above the permissible limit in potable water?
20 June 2019 486 7 View
What are the sources of silica in groundwater samples?
22 April 2019 1,815 6 View
Do grain size of the sediments influence the rate of chemical weathering in aquatic environment?
17 April 2019 9,762 8 View
The quality of water is influenced by atmospheric components like the aerosol contents etc. Is it necessary to purify the rainwater in order to use for domestic and drinking purposes?
08 April 2019 5,851 10 View
I am interested to draw Gibb's diagram. May I know which software will be helpful for me.
07 April 2019 3,606 13 View
How does zeolite sand seperate the heavy metals from potable water? I want to know the mechanism.
26 March 2019 7,351 25 View
What are the diseases that result from arsenic contaminated water?
19 March 2019 2,778 14 View
How can we study about the water quality using GIS?
10 March 2019 991 16 View
The rainwater is slightly acidic in nature whose pH value is 6.0 or 5.5. If the pH value of rainwater is below 5.5, then it is called acid rain. How does acid rain influence the quality of water?
03 March 2019 8,878 7 View
Hydrogen is used as fuel. I want to know the impacts of burning hydrogen fuel.
26 February 2019 3,852 4 View
The megacities sink down due to over pumping of groundwater. How can we measure it?
26 February 2019 2,452 3 View
Groundwaters contain bicarbonate ions as a major anion. What are the sources of bicarbonate ions in groundwater?
25 February 2019 7,157 2 View
If people irrigate the crops with waste water, will that influence the rate of growth of the plants?
24 February 2019 9,057 29 View
Manufacturing became one of the major sources for earning foreign currency. But it pollute the environment in various ways. Water pollution is a great problem, as industries throw chemical wastes...
18 February 2019 7,386 24 View
Due to high evaporation and unreliable precipitation, there is no lake, river or pond in deserts like Saudi Arabia. What are the sources of water in deserts?
18 February 2019 8,622 4 View
In coastal areas seawater intrusion results the increase of groundwater salinity. Is there any relationship between salinity and TDS of groundwater?
17 February 2019 6,174 9 View
The sea level changed in the geological past for example Quaternary sea level change. Do the chemical composition of groundwater change in glacial and interglacial period?
13 February 2019 2,077 5 View
When groundwater becomes contaminated with organic matters especially with animal dung it may contain coliform bacteria. How can we detect the presence of coliform bacteria in water?
11 February 2019 3,792 5 View
Groundwaters contain carbonates and bicarbonates. I am interested to determine the concentrations of these two ions. How can I determine?
09 February 2019 1,786 3 View
Metals expand on heating. Do the metallic water supply pipes leak at their joint during summer?
04 February 2019 4,634 3 View
Solar distillation can remove dissolved metals from potable water. Is it effective for removing arsenic from drinking water?
02 February 2019 8,251 22 View
Some groundwaters contain more arsenic than WHO's, permissble limit. How can we remove arsenic from drinking water?
31 January 2019 4,584 14 View
Seawater is saline. It contains higher concentration of NaCl. I want to know the impact of drinking seawater.
30 January 2019 1,910 9 View
The Deccan Trap eruption covers an area of 0.4 million square kilometers. These eruptions are responsible for the extinctions of dinosaurs in India. I am eagerly waiting to know the sources of...
29 January 2019 6,527 5 View
Some waters contain excess sodium in them. How can we control the amount of Na in potable water?
28 January 2019 3,767 22 View
The TDS of groundwater of equatorial area is same as that of Polar areas.
25 January 2019 595 8 View
In certain regions the heavy mineral concentrations of groundwater are low (within the permissible limit of WHO). Should we monitor those aquifers, if yes, then why?
24 January 2019 4,513 9 View
The groundwater level of Dhaka city is declining day by day as demand is very high. Moreover, the rapid urbanization regarded the recharge rate of the groundwater. What measures can be taken to...
23 January 2019 5,883 12 View
I am interested to know whether the TDS of groundwater is controlled by the temperature of groundwater or not.
21 January 2019 244 57 View
I am interested to know the methods to measure salinity of groundwater.
19 January 2019 8,945 12 View
I am eager to know the sources of potassium in groundwater.
18 January 2019 4,341 12 View
I am eager to know the relationship between age and TDS of groundwater.
16 January 2019 4,371 17 View
Some groundwater samples of Bengal Basin contain 10 microgram per liter or more As. I am interested to know those minerals which release arsenic to the groundwater.
07 January 2019 6,447 11 View
I want to draw stratigraphic cross section.
03 January 2019 8,000 2 View
I want to draw contour maps.
30 December 2018 7,757 5 View
I am interested to know about aquifer condition of Rangpur division, Bangladesh.
26 December 2018 5,323 1 View
I interested to comprehend the tectonic set up of Pleistocene terraces.
25 December 2018 2,145 2 View
I am interested to know the composition of clay sediments of the Tista River, Bangladesh.
25 December 2018 5,105 3 View
Inani beach is 18 km long sea beach, in Cox's Bazar, Bangladesh. It is composed of corals. I am eager to know about the genesis of the Inani sea beach.
24 December 2018 3,437 2 View
I am interested to know about the provenance of sedimentary rocks.
24 December 2018 2,557 5 View
In case of sedimentary aquifers do the chemical composition of vadose zone influence the chemical composition of groundwater?
19 December 2018 9,377 3 View
