From: A study of the distribution and abundance of the adult malaria vector in western Kenya highlands
Variable | Calculation |
---|---|
Wetness Index | Calculated based on the local upslope contributing area and slope |
Distance to High Order Stream | Stream orders are calculated based on the reaches of a stream. A high order stream is reached by streams ordered four or five. |
Distance to Low Order Stream | A low order streams is reached by streams ordered one, two, three and four. It also may not be reached by other streams. |
Elevation | Derived from Digital Elevation Model |
Slope | Calculated as the rate of change in altitude |