An analytical solution for groundwater flow incorporating the effect of water bodies with sloping surfaces
HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES, cilt.66, sa.7, ss.1211-1221, 2021 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 66 Sayı: 7
- Basım Tarihi: 2021
- Doi Numarası: 10.1080/02626667.2021.1925675
- Dergi Adı: HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, IBZ Online, PASCAL, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), CAB Abstracts, Compendex, Geobase, INSPEC, Pollution Abstracts, Civil Engineering Abstracts
- Sayfa Sayıları: ss.1211-1221
- Anahtar Kelimeler: groundwater flow, analytical solution, surface water-groundwater interaction, water surface slope, hyporheic flux, BOUSSINESQ EQUATION, RECHARGE VARIATIONS, HYPORHEIC EXCHANGE, AQUIFER RESPONSE, STREAM-STAGE, DRAINAGE, MODEL
- İstanbul Üniversitesi-Cerrahpaşa Adresli: Evet
Özet
Determination of hyporheic flow between surface water and groundwater is crucial to clarify the coupled water systems' hydrological and ecological behaviour. Therefore, this study focuses on groundwater systems interacting with water bodies with sloping surfaces. A sloping stream is defined as an aquifer's boundary condition. A recharge/discharge term is incorporated into the groundwater flow equation to represent the flux between groundwater and a water body with a sloping surface. An analytical solution of the groundwater flow equation is derived for a homogeneous and isotropic aquifer of a steady-state case. Additionally, a numerical algorithm is written for comparison purposes. The effect of water surface slope on the groundwater head distribution in the horizontal plane and the flux between surface water and groundwater is investigated. The results show that the analytical solution represents the hydrodynamics of the stream-water body-aquifer system well, and the water surface slope is dominant on surface water-groundwater interactions.