Question

1. To create the ________________ the center of each grid cell is connected to the center of the grid cell it flows into.

		grid network
		catchment area
		watershed area
		flow accumulation

2. What is the main water input for most watersheds?

		Evaporation
		Precipitation
		SoilMoisture
		Streamflow

3. A basin has three nearby precipitation gages with weights of w1=0.25, w2=0.5, and w3=0.25 using the Thiessen Polygon method. If the gages record an event with P1=12mm, P2=20, and P3=16 mm, what is the average precipitation over the basin in mm?

		12
		17
		16
		20

4. According to the Stefan-Boltzmann law energy emission is proportional to ____________________ of the surface.

		humidity
		pressure
		precipitation
		temperature

The saturation vapor pressure for the point (T, e) is achieved by ___________________ the _____________________ until it reaches the saturation vapor pressure curve.

		decreasing, vapor pressure
		decreasing, temperature
		increasing, temperature
		increasing, vapor pressure

Answer 1