| dc.contributor.advisor | Prof. Dr. Md. Jahidul Islam | |
| dc.contributor.author | AVI, MD. MAHBUBUZZAMAN | |
| dc.date.accessioned | 2022-04-25T03:53:03Z | |
| dc.date.available | 2022-04-25T03:53:03Z | |
| dc.date.issued | 2015-06 | |
| dc.identifier.uri | http://localhost:8080/xmlui/handle/123456789/830 | |
| dc.description | Water is life. Water is the most essential natural resources on the earth. Quality of water is
not only essential for irrigation but equally important for drinking, domestic, livestock, fish
production and industrial purposes. Clean water is also necessary for human health and
livelihood as well as being interwoven into many cultures. Now a days, water quality is a
critical issue for many Asian countries, with a rise in water demand paralleled with a
decrease in the amount of usable water, due to degraded water quality. Water is the fluid of
life not only for human beings but also for any living organism. The main sources of water in
Bangladesh are surface waters in rivers, reservoirs, lakes, canals and ponds, and the ground
water in deep and shallow aquifer (Ahmed and Rahman, 2003). Soil properties, crop yield
and quality will be deteriorated if low quality water is used for irrigation (Sarker et al.
2003) | en_US |
| dc.description.abstract | River water samples were collected from two rivers (Dhepa and Atrai) of the
Dinajpur Sadar Upazilla, Dinajpur, Bangladesh in the months of August,
December and April of the year 2014-2015 and analyzed for its quality and
suitability for agricultural and aquatic purposes. Analyses were included pH,
EC, temperature, dissolved oxygen (DO), alkalinity cations (Ca2+, Mg2+, Na+
and K+
), anions (Cl-
, HCO3
-
, PO4
2-
and SO4
2-
) and TDS (total Dissolved Solids).
Several variables such as SAR (Sodium Adsorption Ratio), SSP (Soluble
Sodium Percentage) and hardness were also computed. Overall we found that
the river water were acidic to neutral in nature (pH varied from 5.3 to 7.1) and
could be suitable for agricultural and aquatic uses. River water samples
contained Ca2+, Mg2+ and Na+
as the dominant cations and HCO3
-
and Cl- were
the dominant anions. According to TDS and SAR value, all samples were
classed as “fresh water” and “excellent” categories. The soluble sodium
percentage (SSP) of all water was under ‘excellent’ and 'good' classes. All
samples were within 'soft' class regarding hardness. Based on SO4
2-
, Cland
PO4
2-
all river water samples were within the 'safe' limit for irrigation. The DO
concentration was suitable for fish production but more DO level should be
present for all aquatic life especially for fish production. However, water quality
parameters of pH, temperature and DO are dominant factors to affect the growth
of fish although BOD and Chemical Oxygen Demand (COD) parameters are not
meeting the criteria. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR. | en_US |
| dc.subject | ASSESSMENT OF WATER QUALITY | en_US |
| dc.subject | DHEPA AND ATRAI RIVER | en_US |
| dc.subject | FISH PRODUCTION | en_US |
| dc.title | ASSESSMENT OF WATER QUALITY OF DHEPA AND ATRAI RIVER OF DINAJPUR FOR IRRIGATION AND FISH PRODUCTION | en_US |
| dc.type | Thesis | en_US |
