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A Rationale for Pollutograph Evaluation in Ungauged Areas, using Daily Rainfall Patterns: Case Studies of the Apulian Region in Southern Italy


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1 DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
 

In the context of the implementation of sustainable water treatment technologies for soil pollution prevention, a methodology that try to overcome the lack of runoff quality data in Puglia (Southern Italy) is firstly tackled in this paper. It provides a tool to obtain total suspended solid (TSS) pollutographs in areas without availability of monitoring campaigns.The proposed procedure is based on the relationship between rainfall characteristics and pollutant wash-off. In particular, starting from the evaluation of the observed regional rainfall patterns by using a rainfall generator model, the storm water management model (SWMM) was applied on five case studies located in different climatic subareas. The quantity SWMM parameters were evaluated starting from the drainage network and catchments characteristics, while the quality parameters were obtained from results of a monitoring campaign conducted for qualitymodel calibration and validation with reference to the pollutograph’s shape and the peak-time.The research yields a procedure useful to evaluate the first flush phenomenon in ungauged sites and, in particular, it provides interesting information for designing efficient and sustainable drainage systems for first flush treatment and diffuse pollution treatment.
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  • A Rationale for Pollutograph Evaluation in Ungauged Areas, using Daily Rainfall Patterns: Case Studies of the Apulian Region in Southern Italy

Abstract Views: 81  |  PDF Views: 12

Authors

Angela Gorgoglione
DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
Andrea Gioia
DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
Vito Iacobellis
DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
Alberto Ferruccio Piccinni
DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
Ezio Ranieri
DICATECh, Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy

Abstract


In the context of the implementation of sustainable water treatment technologies for soil pollution prevention, a methodology that try to overcome the lack of runoff quality data in Puglia (Southern Italy) is firstly tackled in this paper. It provides a tool to obtain total suspended solid (TSS) pollutographs in areas without availability of monitoring campaigns.The proposed procedure is based on the relationship between rainfall characteristics and pollutant wash-off. In particular, starting from the evaluation of the observed regional rainfall patterns by using a rainfall generator model, the storm water management model (SWMM) was applied on five case studies located in different climatic subareas. The quantity SWMM parameters were evaluated starting from the drainage network and catchments characteristics, while the quality parameters were obtained from results of a monitoring campaign conducted for qualitymodel calibration and validation with reference to the pollutograph’s shape and the peak-time.The research yields a procedure useful to evaluate the first flush phenomenon in ungauged sites and, in particular, it provides interesting information for designing efficient and sustainable drainage systems for first flush treatment and diffuse pollution treatment.