中国典型陆地生态系统波文比特征及影响因素

黄松宇, 贾昕, 郑甲佳, 杨睿智, 牟钰, 袁和第

Characteristics and influencing factors of Bowen ratio variation in typical terrestrial ecosystems in China

HUANG Song-Yu, JIA Xin, ZHENG Jia-Jia, YANG Rui-Zhi, MU Yu, YUAN He-Di

表4 潜热通量(LE)与地理、气候及生物因素在不同生态系统中的线性回归结果

Table 4 Linear regressions between latent heat flux (LE) and geographical, climatic and biological factors in different ecosystems

影响因素 Influencing factor	生态系统类型 Ecosystem type	回归方程 Regression equation	样本数 Sample size	R²
纬度 Lat	GRA	LE= -45.40Lat +2767.46	22	0.36^**
	CRO	LE= -57.21Lat + 3424.40	12	0.48^**
	FOR	LE= -40.80Lat + 3032.86	12	0.62^**
经度 Lon	CRO	LE= -21.36Lon -3604.25	12	0.30^*
经度 Lon	FOR	LE =-36.92Lon +5944.80	12	0.39^*
海拔 Alt	SHR	LE= 0.43Alt -116.08	4	0.89^*
年降水量 MAP	GRA	LE =0.64MAP +683.66	22	0.34^**
	CRO	LE =1.18MAP +500.76	10	0.52^*
	FOR	LE= 0.50MAP + 1203.54	12	0.36^*
	SHR	LE= 2.19MAP - 78.90	4	0.97^**
当年降水量 PPT	GRA	LE= 0.65PPT + 725.23	15	0.44^**
年平均气温 MAT	FOR	LE =45.30MAT +1122.30	11	0.61^**
年平均气温 MAT	SHR	LE= -80.99MAT + 1200.72	4	0.90^*
当年平均气温 T_a	FOR	LE= 54.34T_a + 1024.19	8	0.62^*
净辐射 R_n	GRA	LE= 0.47R_n - 53.39	20	0.51^***
	FOR	LE= 0.58R_n + 39.06	12	0.61^**
	WET	LE= 0.69R_n - 441.67	5	0.77^*