This document contains definitions and units for various rainfall characteristics including amount, frequency, and extremes. It also contains population, area, population density, and gross regional domestic product data for 7 subcatchments labeled S1 through S7. The subcatchment data includes numbers for population, area in hectares, population density in persons per hectare, and gross regional domestic product in Korean won.

7. Rainfall
characteristics
Notation Definition Unit
Amount
SDII Total annual rainfall divided by the total annual number of rainfall days mm
MeanDR Total annual rainfall divided by the annual number of days (365 in usual) mm
StdDR Annual standard deviation of daily rainfall mm
TotalDR Total annual rainfall amount mm
Frequency
Prcp1
Annual number of days defined as a wet day divided by the annual number of
days (365 in usual)
%
NWD Annual number of days defined as a wet day days
Extremes
(magnitudes
and
occurrences)
CDD Annual maximum for the number of consecutive non-rainfall days days
CWD Annual maximum for the number of consecutive rainfall days days
R3day Annual maximum rainfall over three consecutive days mm
Prec90p Annual number of days with greater than 80 mm of rainfall %
AMDR Annual maximum daily rainfall mm

8. Subcatchment
Population
(person)
Area
(ha)
Population
Density
(person/ha)
GRDP
(Won)
S1 4,489 1,500 2.99 801,789
S2 15,781 1,600 9.86 972,363
S3 16,263 1,500 10.84 1,200,856
S4 22,255 1,000 22.26 1,312,923
S5 48,140 800 60.18 1,531,206
S6 49,125 700 70.18 2,843,980
S7 57,835 500 115.67 3,976,917