Minimizing Energy Consumption<\/b>: By prioritizing rainwater treatment whenever possible, the system reduces dependence on seawater treatment, which is more energy-intensive.<\/span><\/p>\n Minimizing Material Usage<\/b>: The breakwater\u2019s design is optimized to use the least amount of concrete necessary while maintaining its protective and supportive functions.<\/span><\/p>\n Together, these elements form a cohesive and efficient system where each component complements the others, creating a robust solution for urban agricultural water management. By integrating sustainable water treatment with renewable energy generation, the system not only meets agricultural needs but also exemplifies a forward-thinking approach to environmental stewardship and resource management.<\/p>\n The parametric model allows urban planners to adjust the design based on local conditions. It enables flexible modifications to the retention basin, turbines, and breakwater to maximize efficiency and sustainability of the water treatment plant. This adaptability ensures that the system meets agricultural water demands while minimizing environmental impact and energy use.<\/p>\n Logic of the Parametric Model<\/b><\/p>\n Our integrated system consists of three primary subsystems: the breakwater, wind turbines (both integrated with the breakwater and offshore), and the flood retention basin. Together, these components support urban water treatment and rainwater storage for agriculture.<\/span><\/p>\n In Dynamo, we integrated an adaptive pipeline system that adjusts diameters based on seasonal flow variations. The seawater intake pipeline operates within a 0.6m\u20131.0m range, ensuring efficient water supply during the dry season (Q_dry \u2248 1.60 m\u00b3\/s). The rainwater pipeline from the flood retention basin to the treatment plant varies between 1.0m\u20131.5m, accommodating the wet season’s higher inflow (Q_wet \u2248 6.76 m\u00b3\/s). This dynamic adjustment, controlled in Dynamo, optimizes water treatment efficiency, breakwater integration, and renewable energy production, ensuring a seamless response to seasonal demands. The main slider serves as the central control for dynamically adjusting the pipeline diameters and water conductivity based on demand. This ensures seamless coordination between the seawater intake, rainwater pipeline, and overall water treatment capacity. Additionally, one of our key design challenges was the need for a larger rainwater storage system, requiring careful definition of the storage volume to accommodate seasonal variations. By integrating these factors, the system effectively balances water availability, pipeline capacity, and treatment efficiency, ensuring optimal performance throughout the wet and dry seasons.<\/span><\/p>\n After defining the <\/span>water demand<\/b>, we determined the required <\/span>energy input<\/b>. To meet this, we incorporated <\/span>two fixed offshore structures<\/b> and set <\/span>adjustable ranges for integrated monopile turbines<\/b>, ensuring energy distribution is based on demand. This approach allows for <\/span>dynamic model adjustments<\/b>, optimizing both <\/span>water treatment and renewable energy generation<\/b>.<\/span><\/strong><\/p>\n The flood retention basin capacity is dynamically linked to the water demand defined in Dynamo. By adjusting storage volume based on seasonal inflows, the system ensures efficient water retention, treatment, and distribution, maintaining balance between flood control and agricultural supply.<\/span><\/strong><\/p>\n he environmental impact of concrete, particularly in marine environments, is a significant consideration due to its high carbon footprint from cement production. The extraction and transportation of raw materials, such as limestone and sand, contribute to environmental degradation and energy consumption. In offshore applications, concrete structures like breakwaters and foundations can also pose challenges due to potential leaching of chemicals into surrounding waters, which may affect local marine life. However, the use of alternative materials such as low-carbon cement or recycled aggregates, along with optimization of concrete mixes for durability and reduced environmental footprint, can help mitigate these negative effects. Furthermore, careful management of concrete waste during construction and decommissioning processes can reduce pollution and support sustainable practices.<\/p>\n <\/p>\n The quantity of concrete is also quantified with the breakwater integrated, which will enhance the structural performance of the monopile foundation, including the piles and their associated weight distribution. This integration contributes to the overall stability and functionality of the breakwater system.<\/p>\n <\/p>\n <\/p>\n <\/p>\n As mentioned above, some variables were fixed, while others were user-controlled adjustable parameters that varied within defined ranges. All parameters and their sources are summarized in Table 1<\/p>\n Amount of energy required for different seasons with the parameter D<\/strong><\/p>\n The following table shows the calculations for the total amount on energy for the treatment processes for wet and dry seasons:<\/p>\n![\"1picture\"](\"http:\/\/141.23.68.248\/wp\/wp-content\/uploads\/2025\/01\/1Picture.png\")
<\/a><\/p>\n\n
\n<\/strong><\/strong><\/p>\n<\/a> <\/a> <\/a><\/p>\n\u00a0<\/a><\/a><\/p>\n<\/a><\/a><\/p>\n\n\n
\n Parameter<\/span><\/strong><\/td>\n Description<\/span><\/strong><\/td>\n Value<\/span><\/strong><\/td>\n Comments\/Calculations<\/span><\/strong><\/td>\n<\/tr>\n \n D<\/span><\/td>\n Demand of water<\/span><\/td>\n 38.130.000 m<\/span>3<\/span> per year\u00a0<\/span><\/td>\n Water used per hectare:<\/span>623.000.000 m<\/span>3<\/span> \/ 506.500 hectares = 1.230 m<\/span>3<\/span>\/hectare [1] [2]<\/span>Assumption: 50.000 people city\u00a0<\/span><\/i> Land area = 50.000 people * 0,62 hectare\/person [3]\u00a0 = 31.000 hectares<\/span>Water needed = 31.000 hectares * 1.230 m<\/span>3<\/span>\/hectare = 38.130.000 m3 per year<\/span><\/td>\n<\/tr>\n \n Qr<\/span><\/td>\n Rainwater (runoff) volume<\/span><\/td>\n 106.500.000 m3 – 2.298.000.000 m3<\/span><\/td>\n Rainwater (runoff) volume = rainfall (mm) x catchment area (m2) x runoff coefficient<\/span>Rainfall: 7,1 mm (1 year event and 5 minutes duration) or 153,2 mm (100 year event and 168 hours duration) [4]<\/span>Minimum rainwater = 7,1 mm (= l\/m<\/span>2<\/span>) x 25.000.000 m<\/span>2<\/span> x 0,6 = 106.500.000 m3\u00a0[5] [6] [7]<\/span>Maximum rainwater = 153,2 mm (= l\/m<\/span>2<\/span>) x 25.000.000 m<\/span>2<\/span> x 0,6 = 2.298.000.000 m3 <\/span> [5] [6] [7]\u00a0<\/span><\/td>\n<\/tr>\n \n W_rb<\/span><\/td>\n Width of Retention basin dimension<\/span><\/td>\n 150 m<\/span><\/td>\n constant value [8]<\/span><\/td>\n<\/tr>\n \n L_rb<\/span><\/td>\n Length of Retention basin dimension<\/span><\/td>\n 80 m or 335 m\u00a0<\/span><\/td>\n According to small and large basins. [8]<\/span><\/td>\n<\/tr>\n \n D_rb<\/span><\/td>\n Depth of Retention basin dimension<\/span><\/td>\n 4 m or 20 m<\/span><\/td>\n According to small and large basins. [8]<\/span><\/td>\n<\/tr>\n \n Water collected in basin (= volume of basin)<\/span><\/td>\n <\/td>\n 50.000 m<\/span>3<\/span>– 1.000.000 m<\/span>3\u00a0<\/span><\/td>\n Small basin for minimum rainwater:<\/span>Volume = 50.000 m<\/span>3<\/span>Large basin for maximum rainwater:<\/span>\u00a0Volume = 1.000.000 m<\/span>3<\/span>\u00a0Values:\u00a0<\/span>Wdidth,\u00a0 Length, Depth, previously defined. <\/span>Amount on rainwater percentage into the basin: <\/span>% of minimum rainwater in the small basin<\/span>\u00a0= 50.000 m3<\/span><\/i>\u00a0\/ 106.500.000 m<\/span><\/i>3<\/span><\/i> = 0,047 % <\/i><\/span>% of maximum rainwater in the large basin\u00a0<\/i><\/span>= 1.000.000 m<\/span><\/i>3<\/span><\/i> \/ 2.298.000.000 m<\/span><\/i>3<\/span><\/i> = 0,044 %<\/span><\/i><\/td>\n<\/tr>\n \n Er<\/span><\/td>\n Energy intensity for rain water<\/span><\/td>\n 1.88 kWh\/m3<\/span><\/td>\n Energy intensity for rainwater harvesting systems<\/span>\u00a0typically ranges from 1,40 kWh\/m3 with UV disinfection adding up to 0,48 kWh\/m3<\/span>\u00a0in some cases.\u00a0 [9]\u00a0<\/span><\/td>\n<\/tr>\n \n Es<\/span><\/td>\n Energy intensity for seawater<\/span><\/td>\n 3.29 kWh\/m\u00b3<\/span><\/td>\n Energy intensity for seawater desalination is from 2,98 kWh\/m3 to 3,60 kWh\/m3 for reverse osmosis. [9] [10]\u00a0<\/span><\/td>\n<\/tr>\n \n L_breakwater<\/span><\/td>\n Length breakwater<\/span><\/td>\n 100 m – 400 m<\/span><\/td>\n The minimum value was defined to protect the pipeline for collecting seawater for treatment and the maximum to protect the wind turbines.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n