Table 1 Localization of some key parameters of the CENTURY model.

From: The impact of different grazing intensity and management measures on soil organic carbon density in Zhangye grassland

Parameter name

ML02

SD05

SN08

Parameter description

SITLAT

100.8560

101.3402

98.4364

Site latitude

SITLNG

38.7113

38.7111

39.5412

Site longitude

SAND

39

90

39

Soil sand content (%)

CLAY

19

4

32

Soil clay content (%)

BULKD

1.41

1.40

1.37

Soil bulk density (g·cm-3)

PH

8.2

5.9

7.0

pH value of 0-20cm topsoil

PRECIP(2)

0.1390

0.2016

0.2113

February mean precipitation (cm)

PRCSTD(2)

0.6092

0.6381

0.6860

Standard deviation of mean precipitation in February(cm2)

PRCSKW(2)

0.1880

1.3358

1.3378

Deviation of mean precipitation in February(cm)

TMN2M(2)

 − 12.1464

 − 14.2681

 − 13.5047

The average minimum temperature in February (°C)

TMX2M(2)

4.4078

2.2037

1.4994

The mean maximum temperature in February (°C)

  1. The main adjustment parameters include site latitude and longitude, climate parameters (monthly mean maximum temperature, monthly mean minimum temperature, monthly mean precipitation, etc.), soil parameters (soil bulk density, pH value, soil sand content, clay content, silt content, soil wilting point, field water capacity, etc.)
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