DOI: https://doi.org/10.21203/rs.3.rs-40714/v2
This preprint is available for download as a PDF.
Table 1. The default model parameters (Def) and the calibrated ones (Cal). The default model parameters represent only saturated subsurface and surface runoff, while the calibrated ones used only in the Kanto Region for T19 represent also the effect of unsaturated subsurface flow.
Parameters |
Def |
Cal |
n [m-1/3s] |
0.4 |
0.4 |
da [m] |
0.471 |
0.471 |
dm [m] |
- |
0.05 |
ka [m/s] |
0.1 |
0.03 |
b [-] |
- |
7.0 |
nriver [m-1/3s] |
0.03 |
Table 2. Values of the verification metrics for the F18 simulation at each dam reservoir.
Dam Name |
Region |
Peak Runoff [mm/h] |
r |
a |
b |
KGE |
NSE |
PE |
Kuzuryu |
Kinki |
14.0 |
0.93 |
1.14 |
0.90 |
0.81 |
0.68 |
0.81 |
Hiyoshi |
Kinki |
15.3 |
0.97 |
1.14 |
1.14 |
0.80 |
0.90 |
1.08 |
Hitokura |
Kinki |
18.8 |
0.94 |
1.02 |
1.15 |
0.84 |
0.75 |
1.01 |
Tomata |
Chugoku |
10.8 |
0.95 |
1.15 |
1.26 |
0.70 |
0.74 |
1.01 |
Hattabara |
Chugoku |
12.4 |
0.96 |
1.06 |
1.30 |
0.69 |
0.74 |
0.91 |
Haizuka |
Chugoku |
16.7 |
0.94 |
0.83 |
1.10 |
0.79 |
0.80 |
0.71 |
Nagayasuguchi |
Shikoku |
20.9 |
0.98 |
1.02 |
0.74 |
0.74 |
0.79 |
0.89 |
Nomura |
Shikoku |
34.4 |
0.90 |
0.70 |
0.81 |
0.63 |
0.61 |
0.58 |
Shingu |
Shikoku |
14.5 |
0.81 |
0.79 |
0.94 |
0.72 |
0.53 |
0.80 |
Tomisato |
Shikoku |
19.5 |
0.95 |
1.01 |
0.84 |
0.83 |
0.76 |
0.68 |
Nakasujigawa |
Shikoku |
22.2 |
0.95 |
1.45 |
1.26 |
0.48 |
0.56 |
1.13 |
Odo |
Shikoku |
10.8 |
0.97 |
1.10 |
0.92 |
0.87 |
0.88 |
1.02 |
Samerura |
Shikoku |
22.3 |
0.93 |
0.94 |
0.82 |
0.80 |
0.69 |
0.75 |
Terauchi |
Kyushu |
24.3 |
0.97 |
1.08 |
0.99 |
0.91 |
0.84 |
0.95 |
Egawa |
Kyushu |
25.2 |
0.97 |
0.95 |
0.84 |
0.83 |
0.84 |
0.79 |
Ryumon |
Kyushu |
24.6 |
0.98 |
1.12 |
1.05 |
0.87 |
0.85 |
0.94 |
Shimouke |
Kyushu |
23.5 |
0.98 |
1.00 |
0.99 |
0.97 |
0.87 |
0.86 |
Yabakei |
Kyushu |
21.7 |
0.92 |
0.84 |
1.03 |
0.81 |
0.72 |
0.69 |
Mean |
19.5 |
0.94 |
1.02 |
1.00 |
0.78 |
0.75 |
0.87 |
|
Median |
20.2 |
0.95 |
1.02 |
0.99 |
0.81 |
0.75 |
0.87 |
|
Standard Deviation |
5.9 |
0.04 |
0.17 |
0.16 |
0.11 |
0.10 |
0.15 |
Table 3. Values of the verification metrics for the T19 simulation at each dam reservoir.
Dam Name |
Region |
Peak Runoff [mm/h] |
r |
a |
b |
KGE |
NSE |
PE |
Aimata |
Kanto |
11.4 |
0.91 |
1.13 |
1.28 |
0.68 |
0.73 |
0.82 |
Kusaki |
Kanto |
23.0 |
0.95 |
1.07 |
1.21 |
0.77 |
0.86 |
1.09 |
Shimokubo |
Kanto |
20.5 |
0.99 |
1.09 |
1.09 |
0.87 |
0.97 |
1.09 |
Kawamata |
Kanto |
21.9 |
0.91 |
0.90 |
1.07 |
0.85 |
0.82 |
0.85 |
Urayama |
Kanto |
29.3 |
0.98 |
1.25 |
1.14 |
0.71 |
0.88 |
1.21 |
Takizawa |
Kanto |
23.1 |
0.99 |
0.99 |
1.03 |
0.97 |
0.98 |
0.99 |
Ninose |
Kanto |
19.8 |
0.97 |
0.89 |
0.93 |
0.86 |
0.93 |
0.71 |
Yunishikawa |
Kanto |
16.1 |
0.97 |
1.38 |
1.47 |
0.40 |
0.67 |
1.26 |
Kawafusa |
Tohoku |
18.3 |
0.98 |
1.20 |
1.22 |
0.70 |
0.88 |
1.11 |
Mean |
20.3 |
0.96 |
1.10 |
1.16 |
0.76 |
0.86 |
1.01 |
|
Median |
20.5 |
0.97 |
1.09 |
1.14 |
0.77 |
0.88 |
1.09 |
|
Standard Deviation |
4.7 |
0.03 |
0.15 |
0.15 |
0.16 |
0.10 |
0.17 |