Coastal lagoons are significant wetland environments found on coastlines throughout the world. Groundwater seepage may be a key component of lagoon water balances, though only a few studies have investigated large (>100 km2) coastal lagoons. In t...
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https://www.riss.kr/link?id=O113106773
2020년
-
0885-6087
1099-1085
SCI;SCIE;SCOPUS
학술저널
4592-4608 [※수록면이 p5 이하이면, Review, Columns, Editor's Note, Abstract 등일 경우가 있습니다.]
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Coastal lagoons are significant wetland environments found on coastlines throughout the world. Groundwater seepage may be a key component of lagoon water balances, though only a few studies have investigated large (>100 km2) coastal lagoons. In t...
Coastal lagoons are significant wetland environments found on coastlines throughout the world. Groundwater seepage may be a key component of lagoon water balances, though only a few studies have investigated large (>100 km2) coastal lagoons. In this study, we combined airborne thermal infrared imagery with continuous measurements of radon (222Rn—a natural groundwater tracer), conductivity, water temperature and dissolved oxygen to map groundwater seepage to a large coastal lagoon in New Zealand. We found evidence of seepage along the margins of the lagoon but not away from the margins. Our findings confirmed previously known seepage zones and identified new potential locations of groundwater inflow. Both point source and diffuse seepage occurred on the western and northwestern margins of the lagoon and parallel to the barrier between the lagoon and sea. These observations imply geologic controls on seepage. The combination of remote sensing and in‐situ radon measurements allowed us to effectively map groundwater discharge areas across the entire lagoon. Combined, broad‐scale qualitative methods built confidence in our interpretation of groundwater discharge locations in a large, dynamic coastal lagoon.
Found evidence of groundwater seepage only near the margins of a large coastal lagoon supported by multiple broad‐scale methods. Observed both point source and diffuse seepage. Findings suggest geological controls on spatial seepage patterns at the study site.
Analytical solutions to runoff on hillslopes with curvature: numerical and laboratory verification