As an AI language model, I do not have knowledge of the context you are referring to regarding green infrastructure strategies. But, in general, the use of proportion can vary in green infrastructure strategies based on the following factors:
1. Project scale: The proportion of green infrastructure features such as permeable pavements, green roofs, rain gardens, or bioswales can vary depending on the size and scale of the project. A small residential lot may only have a rain garden, while a large commercial development may incorporate all of these features.
2. Location: The proportion of different green infrastructure strategies may vary depending on the local climate, soil, topography, and hydrology. For example, in a location where rainfall is seasonal, green infrastructure strategies may focus on water harvesting and storage, while in a location with consistent rainfall, strategies may focus on water infiltration and evapotranspiration.
3. Goals and objectives: The proportion of different green infrastructure strategies may vary based on the goals and objectives of the project. For example, if the goal is to reduce the volume of stormwater runoff to the maximum extent possible, then greater emphasis may be placed on features that enhance infiltration and storage.
4. Cost: The proportion of green infrastructure strategies may vary based on their cost. Some features may be more expensive to install and maintain than others. Therefore, the proportion of each feature may be influenced by the available budget.
Overall, the use of proportion in green infrastructure strategies can vary based on multiple factors, including the project scale, location, goals and objectives, and cost.
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