Investigating the Effect of Surface Water-Groundwater Interactions On Stream Temperature Using Distributed Temperature Sensing and An Instream Temperature Modelling

Collection Location Perpustakaan Pusat Penelitian Geoteknologi - LIPI Contact Detail
Edition
Call Number 556.324 ABE c
ISBN/ISSN 9781907161209
Author(s) Matheswaran, Karthikeyan
Blemmer, Morten
Mortensen, Julie
Rosbjerg, Dan
Boegh, Eva
Subject(s) Denmark
Distributed Temperature Sensing
Stream temperature model
Surface water-groundwater interaction
Classification 556.324
Series Title Conceptual and Modelling Studies of Integrated Groundwater, Surface Water, and Ecological Systems
GMD Buku_Teks
Language English
Publisher IAHS Press
Publishing Year 2011
Publishing Place Oxford
Collation Hlm. 23-29
Abstract/Notes Surface water-groundwater interactions at the stream interface influences, and at times controls the stream temperature, a critical water property driving biogeochemical processes. This study investigates the effects of these interactions on temperature of Stream Elverdamsaen in Denmark using the Distributed Temperature Sensing (DTS) system and instream temperature modelling. Locations of surface water-groundwater interactions were identified from the temperature data collected over a 2-km stream reach using a DTS system with 1-m spatial and 5-min temporal resolution. The stream under consideration exhibits three distinct thermal regimes within a 2 km reach length due to two major interactions. An energy balance model is used to simulate the instream temperature and to quantify the effect of these interactions on the stream temperature. This research demonstrates the effect of reach level small scale surface water-groundwater interactions on heterogeneous behaviour of stream temperature.
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