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Author |
Mahindawansha, A.; Külls, C.; Kraft, P.; Breuer, L. |
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Title |
Investigating unproductive water losses from irrigated agricultural crops in the humid tropics through analyses of stable isotopes of water |
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Journal Article |
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Year |
2020 |
Publication |
Hydrology and Earth System Sciences |
Abbreviated Journal |
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Volume |
24 |
Issue  |
7 |
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3627-3642 |
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Copernicus GmbH |
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yes |
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Call Number |
THL @ christoph.kuells @ Mahindawansha2020investigating |
Serial |
14 |
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Author |
Jin, Z.; Külls, C. |
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Title |
FDM based OA-ICOS for high accuracy 13C quantification in gaseous CO2 |
Type |
Journal Article |
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Year |
2020 |
Publication |
Earth and Environmental Science |
Abbreviated Journal |
EES |
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Volume |
446 |
Issue |
3 |
Pages |
032061 |
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no |
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THL @ christoph.kuells @ Jin2020fdm |
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16 |
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Author |
Akter, A.; Tanim, A.H.; Islam, M.K. |
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Title |
Possibilities of urban flood reduction through distributed-scale rainwater harvesting |
Type |
Journal Article |
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Year |
2020 |
Publication |
Water Science and Engineering |
Abbreviated Journal |
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Volume |
13 |
Issue |
2 |
Pages |
95-105 |
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Keywords |
Low-impact development (LID), SWMM, HEC-RAS, Remote sensing, Urban flooding, Inundation depth |
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Abstract |
Urban flooding in Chittagong City usually occurs during the monsoon season and a rainwater harvesting (RWH) system can be used as a remedial measure. This study examines the feasibility of rain barrel RWH system at a distributed scale within an urbanized area located in the northwestern part of Chittagong City that experiences flash flooding on a regular basis. For flood modeling, the storm water management model (SWMM) was employed with rain barrel low-impact development (LID) as a flood reduction measure. The Hydrologic Engineering Center’s River Analysis System (HEC-RAS) inundation model was coupled with SWMM to observe the detailed and spatial extent of flood reduction. Compared to SWMM simulated floods, the simulated inundation depth using remote sensing data and the HEC-RAS showed a reasonable match, i.e., the correlation coefficients were found to be 0.70 and 0.98, respectively. Finally, using LID, i.e., RWH, a reduction of 28.66% could be achieved for reducing flood extent. Moreover, the study showed that 10%–60% imperviousness of the subcatchment area can yield a monthly RWH potential of 0.04–0.45 m3 from a square meter of rooftop area. The model can be used for necessary decision making for flood reduction and to establish a distributed RWH system in the study area. |
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1674-2370 |
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THL @ christoph.kuells @ Akter202095 |
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247 |
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Author |
Konapala, G.; Mishra, A.K.; Wada, Y.; Mann, M.E. |
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Title |
Climate change will affect global water availability through compounding changes in seasonal precipitation and evaporation |
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Journal Article |
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Year |
2020 |
Publication |
Nature Communications |
Abbreviated Journal |
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Volume |
11 |
Issue |
1 |
Pages |
3044 |
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Abstract |
Both seasonal and annual mean precipitation and evaporation influence patterns of water availability impacting society and ecosystems. Existing global climate studies rarely consider such patterns from non-parametric statistical standpoint. Here, we employ a non-parametric analysis framework to analyze seasonal hydroclimatic regimes by classifying global land regions into nine regimes using late 20th century precipitation means and seasonality. These regimes are used to assess implications for water availability due to concomitant changes in mean and seasonal precipitation and evaporation changes using CMIP5 model future climate projections. Out of 9 regimes, 4 show increased precipitation variation, while 5 show decreased evaporation variation coupled with increasing mean precipitation and evaporation. Increases in projected seasonal precipitation variation in already highly variable precipitation regimes gives rise to a pattern of “seasonally variable regimes becoming more variable”. Regimes with low seasonality in precipitation, instead, experience increased wet season precipitation. |
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English |
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2041-1723 |
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THL @ christoph.kuells @ Konapala2020 |
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284 |
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Author |
Doulgeris, C.; Tziritis, E.; Pisinaras, V.; Panagopoulos, A.; Külls, C. |
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Title |
Prediction of seawater intrusion to coastal aquifers based on non-dimensional diagrams |
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Conference Article |
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Year |
2020 |
Publication |
EGU Geophysical Abstracts |
Abbreviated Journal |
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Pages |
4073 |
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THL @ christoph.kuells @ Doulgeris2020prediction |
Serial |
41 |
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