印度卡纳塔克邦Udupi地区Kundapura Taluk的理化参数和水质指数(Wqi)测定

B. P. Poojashree, B. Peladdy, H. Kaveri, P. Akkivalli, L. A. Swathi
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引用次数: 3

摘要

利用pH值、电导率、总溶解固形物、总硬度、碱度、酸度、氯化物、溶解氧和化学需氧量等9个参数测定昆达普拉塔鲁克的各种理化参数和水质指标,在40个地点进行测量。采用加权算术水质指数法(WAWQI)计算水质指数。本研究区为卡纳塔克邦Udupi区的Kundapura Taluk,位于东经74°34′40.0″~ 75°4′57.35″,北纬13°59′33.26″~ 13°28′40.82″之间。从夏后pH值来看,MITK、Margoli和Kodi的pH值较高,Kumbashi和Amavasyebailu的pH值较低。Margoli、Beejadi、Senapura、Kollur和Kodi的E.C值较高,而Amparu的E.C值较低。碱性水平衡了身体的pH值,我们发现Kodi、Beejadi、Marvanthe的碱度较高,Yedthare、Mullikatte和Trasi的碱度较低。所有水样的COD含量都是在夏季后发现的,这降低了水中的D.O含量。夏前和夏后的数值显示了许多数值变化。在夏季过后,由于采水量的增加,水位机械地下降:它在地下水位造成一个锥体凹陷,造成盐水入侵,使水失去其质量,因此在夏季过后需要额外的预处理。
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Determination of Physio-Chemical Parameters and Water Quality Index (Wqi) of Kundapura Taluk, Udupi District, Karnataka, India
The determination of various physio-chemical parameters and water quality index of Kundapura Taluk uses nine parameters: pH, electrical conductivity, total dissolved solids, total hardness, alkalinity, acidity, chlorides, dissolved oxygen and chemical oxygen demand, measured in 40 places. The weighted arithmetic water quality index (WAWQI) method is used for the calculation of water quality index. The present study area is Kundapura Taluk in Udupi district, Karnataka located between a 74°34′40.0″ E to 75°4′57.35″ E longitude, and a 13°59′33.26″ N to 13°28′40.82″ N latitude. According to post-summer values of pH, places such as MITK, Margoli and Kodi have high pH, and Kumbashi and Amavasyebailu have low pH. Places such as Margoli, Beejadi, Senapura, Kollur and Kodi show higher E.C, and Amparu shows a lower value of E.C. Alkaline water balances the pH of the body, and we found higher alkalinity in Kodi, Beejadi, Marvanthe and lower alkalinity in Yedthare, Mullikatte and Trasi. All water samples with higher COD content were found post-summer which diminishes the amount of D.O content in water. Pre-summer and post-summer values shows numerous changes in values. In the post-summer, water level decreases mechanically due to increases in water extraction: it causes a cone of depression at ground water level, creating a saltwater intrusion in which water loses its quality, thus pre-treatment is additional, post-summer.
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