Figure 1

Maps illustrating the flood disaster affected areas (a) and spatial distribution of extreme precipitation (b) in the middle and upper reaches of the HRB"

Figure 2

Map showing the study area as well as meteorological stations, the drainage system, and watershed"

Figure 3

Graphs showing SWIM-simulated daily runoff depths for the upper reaches of the HRB during the calibration between 1959 and 1988 (a) and validation between 1989 and 2008 (b) periods of this study"

Figure 4

Graphs showing SWIM-simulated daily runoff depths for the middle reaches of the HRB during the calibration between 1959 and 1988 (a) and validation between 1989 and 2008 (b) periods of this study"

Table 1

SWIM runoff sensitivities given different levels of precipitation recorded at meteorological stations in the upper reaches of the HRB"

Table 2

Standardized runoff sensitivity results for the upper reaches of the HRB"

Figure 5

Trend in annual temperature (a) and precipitation (b) between 1959 and 2008"

Figure 6

Contribution rates of spring, summer, autumn, and winter seasons to runoff in the middle and upper reaches of the HRB"

Table 3

Contribution rates of upstream meteorological factors to midstream runoff"

Figure 7

MK test results for runoff sequences (a), and the combined results of MK and sliding T-tests (b)"

Table 4

River runoff during base and evaluation periods in the middle reaches of the HRB (106 m3?s-1)"

Table 5

Contribution rates of climate change and human activities to the HRB midstream runoff"

Figure 8

Anomalies in surface water resources in the HRB between 1997 and 2015"

Figure 9

The changes in GDP, crop acreage, and the urbanization rate within the HRB between 1996 and 2015"

Figure 10

Risk assessment zoning maps for precipitation-related flooding disasters within the HRB over 100- (a) and 1000-year (b) return periods"