基于日光诱导叶绿素荧光的东北地区植被物候时空特征及其对气候的响应
周玉科,张瑞欣,孙文彬,张树辉

Spatiotemporal Characteristics of Vegetation Phenology in Northeast China based on Solar-induced Chlorophyll Fluorescence and Response to Climate
Yuke ZHOU,Ruixin ZHANG,Wenbin SUN,Shuhui ZHANG
表1 2001~2020年东北地区不同植被类型物候参数变化趋势拟合值
Table 1 The fitting value of phenological parameters of different vegetation types in Northeastern China from 2001 to 2020
植被类型物候参数拟合方程R2植被类型物候参数拟合方程R2
栽培植被SOSy=-0.217x+5850.17草甸SOSy=-0.153x+4500.08
EOSy=0.180x-1060.18EOSy=-0.031x+313-0.05
LOSy=0.397x-6910.31*LOSy=0.122x-1370.04
POPy=-0.104x+4270.07POPy=-0.198x+6100.17
灌丛SOSy=-0.450x+1.04*1030.31*针叶林SOSy=-0.169x+4710.09
EOSy=0.255x-2540.24*EOSy=-0.265x+7820.35*
LOSy=0.705x-1.29*1030.41*LOSy=-0.097x+3110.03
POPy=-0.139x+4910.06POPy=-0.312x+8260.40*
草丛SOSy=-0.603x+1.34*1030.17阔叶林SOSy=-0.210x+5510.14
EOSy=0.592x-9280.27*EOSy=-0.010x+275-0.05
LOSy=1.190x-2.27*1030.37*LOSy=0.200x-2760.11
POPy=0.017x+180-0.06POPy=-0.188x+5820.27*
草原SOSy=-0.453x+1.05*1030.14

针阔叶

混交林

SOSy=-0.151x+4300.05
EOSy=0.342x-4320.17EOSy=-0.068x+3890.04
LOSy=0.795x-1.48*1030.23*LOSy=0.0786x-32.20.02
POPy=0.181x-1480.03POPy=-0.134x+4650.08