Evaluation of groundwater quality for irrigation in Bangladesh using Geographic information system

Title:

Evaluation of groundwater quality for irrigation in Bangladesh using Geographic information system
Vyhodnotenie kvality podzemnej vody pre závlahy v Bangladeši pri využití geografického informačného systému

Creator:

Shahid, Shamsuddin, Chen, Xiaoyong, and Hazarika, Manzul Kumar

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:01a9693c-caf0-488f-b595-fe1f5ea52c40
uuid:01a9693c-caf0-488f-b595-fe1f5ea52c40

Subject:

Groundwater quality, irrigation, GIS, Bangladesh, kvalita podzemných vôd, závlahy, and Bangladeš

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

About 75% of water for irrigation in Bangladesh comes from groundwater. As the crop yield is directly related to quality of water used for irrigation, an assessment of groundwater suitability for irrigation is essential for the growth of food production and poverty eradication. An attempt has been made in this paper to study the suitability of groundwater for irrigation in Bangladesh. Geographic information system (GIS) is used for the processing of groundwater quality data collected from 113 locations sporadically distributed over the country and the preparation of groundwater quality maps. The result shows that groundwater of the southwestern part of Bangladesh, which comprises 22.5% area of the country, is highly affected by salinity and sodium hazards. Groundwater in 10.54% area of the country is also contaminated by Arsenic above the permissible level recommended for irrigation. and Okolo 75 % vody pre závlahy v Bangladeši pochádza z podzemných vôd. Pretože úroda priamo závisí od kvality závlahovej vody, posúdenie vhodnosti vody pre závlahy je podstatné pre produkciu potravín a odstránenie chudoby. V štúdii je prezentovaný pokus o zhodnotenie vhodnosti podzemnej vody pre závlahy v Bangladeši. Na spracovanie údajov o kvalite podzemnej vody zo 113 lokalít rozmiestnených sporadicky po krajine a na prípravu máp kvality podzemnej vody sa použil geografický informačný systém (GIS). Výsledky naznačujú, že podzemná voda v juhozápadnej časti krajiny zaberajúcej 22,5 % jej plochy je silne ohrozená zasolenosťou a obsahom sodíka. Podzemná voda na ploche 10,54 % krajiny je tiež kontaminovaná obsahom arzénu nad prípustnú hranicu pre závlahovú vodu.

Language:

Slovak

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

3-14

Source:

Journal of hydrology and hydromechanics | 2006 Volume:54 | Number:1

Harvested from:

CDK

Metadata only:

false