The changes in land use associated with urban development affect flooding in many ways. Removing vegetation and soil, grading the land surface, and constructing drainage networks increase runoff to streams from rainfall and snowmelt. As a result, the peak discharge, volume, and frequency of floods increase in nearby streams. Changes to stream channels during urban development can limit their capacity to convey floodwaters. Roads and buildings constructed in flood-prone areas are exposed to increased flood hazards, including inundation and erosion, as new development continues. Information about streamflow and how it is affected by land use can help communities reduce their current and future vulnerability to floods.<span>
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Answer:
Underoot (x2-x1)+(y2-y1) use this formula ND Underoot should be on whole formula
02
Answer:
b. Eliminate any assumptions.
Explanation:
The steps use in the forecasting process:
There are 7 steps in the forecasting.
1. Identify the usage of the forecast
2. Pick the items that needed to be forecast
3. choose the time horizon of the forecast
4. Decide the model of forecasting
5. collect the data needed to make the forecast
6. construct the forecast
7. Validate the forecasting mode and apply the results.
Therefore answer is b.