REDUCING GROUNDWATER POLLUTION: GOOD MANAGEMENT PRACTICES OF NUTRIENTS AND WASTES

12 Poster UA3

Training course:

  • 9-13 January 2017Universidad de Alicante – San Vicente del Raspeig, SPAIN

about-us-University-Icon-06Programme

Day 1: Groundwater introduction (Mon 9th January)
08.45 Registration of participants
09.00 Opening session:
– Welcome address
– Presentation of the training program
– Presentation of the participants
9:30 Groundwater (L. Candela)
Introduction to groundwater science and principles of groundwater hydrology within the hydrologic cycle. Understanding of the basic principles of groundwater flow and its dissolved chemical species. Type of aquifers. Groundwater resources in the world
11:30 Coffee-break
12.00 Groundwater cont. (L. Candela)
Groundwater parameters, groundwater hydraulics. Monitoring of quality and quantity. Principles and operational aspects of groundwater technical aspects
Groundwater quality and contaminants processes (soil-water-vadose zone)
13:00 Lunch break
15.00 Aquifer monitoring: quantity and quality (JM. Andreu)
Introduction to the S. Vicente quaternary aquifer.
– Geological context
– Boundary definition
– Piezometric level
– Groundwater quality
– Monitoring wells visit (in campus)
The unconfined aquifer overlying the impervious loam of Cretaceous age, is mainly composed by silts and sands, with a very low presence of clays. Thin gypsum layers are frequently found in outcrops. As a consequence, groundwater presents a high natural salinity, requiring desalination treatment for further use
17.00 Closure of the day

Day 2: The vadose zone (Tues 10th January)
09.00 The vadose zone: (J. Valdes-Abellan)
Introduction to the vadose zone characteristics. Unsaturated flow concept of negative pressure heads and tensiometers. Characteristics curves of the unsaturated hydraulic parameters. Implications in groundwater pollution
– flow and transport processes
– monitoring and modelling the vadose zone flow and transport
11.30 Coffee break
12.00 Site visit to vadose zone experimental plot (in campus) Covered with grass and under irrigation by microsprinklers the plot is automatically/manually monitored for flow and transport of contaminants. Soil-water content, pressure head and temperature are connected to a data logger; measurements are recorded hourly. The study site is located at the University of Alicante campus.
13.00 Lunch break
14.00 Groundwater pollution by agriculture (L.Candela).
Agricultural management under irrigation: flow and transport processes. Use of agrichemicals, sludge and non-conventional water. Transport and clogging processes leading to porosity and hydraulic conductivity changes in the porous media. Possible impacts from polluting agents (organic, inorganic, microbiological), contaminants leaching and emerging polluting agent group (pharmaceuticals, pesticides, PPCPS, etc.)
17.00 Closure of the day

Day 3: Field visit (Wed 11th January)
09.00 Departure from Alicante to Campo de Cartagena agricultural field visit: (A. Marin)
10.30 Site visit 1: Campo de Cartagena (horticultural field). The Campo de Cartagena is one of the driest areas in Europe but due to the high quality of land and the mild climatic conditions has excellent aptitudes for a very competitive agriculture devoted largely to export, and crucial to the food supply at the national level, giving yields from 5 to 10 fold of rain-fed irrigation. Due to water availability and the bad groundwater quality impairing its direct use for irrigation, the agricultural sector has developed private small plants for groundwater desalination, thus ensuring the availability of water for their crops. This agricultural management has a major relevance on the region, mainly due to the continued growth of these facilities in recent years and having a high social, economic and environmental impact.
The visit will concentrate in visiting several small groundwater desalinating plants from existing wells
14.00 Lunch break
16:00 Site visit 2: Visit to the Campo de Cartagena irrigation association. (Mr. Soto)
Created in 1952, the association, composed by 9,506 farmers, covers an irrigated
area of 41,254 ha, being horticulture and orchards the main crops. It was and it is one of the most technically updated agricultural region in Europe for water management and accounting, based in ICT tools. Water origin is from the Tajo-Segura water transfer, brackish groundwater desalination and sweater desalination.
17.00 Return to Alicante

Day 4: Drafting research proposal (Thurs 12th January)
09:00 Drafting research proposal: (A.J. Tenza-Abril)
– Conceptual background
10:30 Coffee break
11:00 Drafting research proposal: (A.J. Tenza-Abril)
– introduction of a case
13.00 Lunch break
14.00-17:00 Drafting research proposal: (AJ. Tenza-Abril, L. Candela, J. Valdes-Abellan)
– independent work
17.00 Closure of the day

Day 5: Drafting research proposal (Fri 13nd January)
09.00 Drafting research proposal: (AJ. Tenza-Abril, L. Candela, J. Valdes-Abellan)
– independent work
10.30 Coffee break
11:00 Continuation …
13.00 Lunch break
14.00-17:00 Drafting research proposal: (AJ. Tenza-Abril, L. Candela, J. Valdes-Abellan)
– Summary and conclusions.
17.00 Closure of the day

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