CASA
妯″瀷浼扮畻
NPP
鐨勫叏閮ㄦ祦绋?/p>
CASA
妯″瀷涓?/p>
NPP
鐨勪及绠楀彲浠ョ敱妞嶇墿鐨勫厜鍚堟湁鏁堣緪灏勶紙
APAR
锛夊拰瀹為檯鍏夎兘鍒╃敤鐜囷紙蔚锛?/p>
涓や釜鍥犲瓙鏉ヨ〃绀猴紝鍏朵及绠楀叕寮忓涓嬶細
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,
(
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,
(
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,
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t
x
t
x
APAR
t
x
NPP
飦?/p>
飩?/p>
飥?/p>
寮忎腑锛?/p>
APAR(x,t)
琛ㄧず鍍忓厓
x
鍦?/p>
t
鏈堝惛鏀剁殑鍏夊悎鏈夋晥杈愬皠
锛?/p>
g C路
m
-2
路
month
-1
锛?/p>
锛?/p>
蔚(x,t)
琛ㄧず鍍?/p>
鍏?/p>
x
鍦?/p>
t
鏈堢殑瀹為檯鍏夎兘鍒╃敤鐜囷紙
g C路
MJ
-1
锛?/p>
澶槼鎬昏緪灏?
Total radiation
鎴爮鐨勫厜鍚堟湁鏁堣緪灏?
IPAR
褰掍竴鍖栨琚寚鏁?
NDVI
鍏夊悎鏈夋晥杈愬皠鍚告敹姣斾緥
FPAR
鍦熷湴瑕嗙洊绫诲瀷
Vegetation Map
NDVI
鏈�澶т笌鏈�灏忓�?/p>
Maxumum and Minimum
value of NDVI
鍏夊悎鏈夋晥杈愬皠
APAR
鏈�澶у厜鑳藉埄鐢ㄧ巼
蔚
max
娓╁害銆佹按鍒嗚儊杩洜瀛?/p>
Temperature and water
scale
瀹為檯鍏夎兘鍒╃敤鐜?
蔚
鍑�鍒濈骇鐢熶骇鍔?
NPP
鍑�鍒濈骇鐢熶骇鍔涳紙
NPP
锛変及绠楁ā鍨嬫�讳綋妗嗘灦
Frame of net primary productivity (NPP) Estimation Model
APAR
鐨勪及绠?/p>
APAR
鐨勫�肩敱妞嶈鎵�鑳藉惛鏀剁殑澶槼鏈夋晥杈愬皠鍜屾琚鍏ュ皠鍏夊悎鏈夋晥杈愬皠鐨勫惛鏀舵瘮渚嬫潵
纭畾銆?/p>
5
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飩?/p>
飩?/p>
飥?/p>
t
x
FPAR
t
x
SOL
t
x
APAR
寮忎腑锛?/p>
SOL(x,t)
琛ㄧず
t
鏈堝湪鍍忓厓
x
澶勭殑澶槼鎬昏緪灏勯噺锛?/p>
g C
路
m
-2
路
month
-1
锛?/p>
锛?/p>
FPAR(x,t)
妞嶈
灞傚鍏ュ皠鍏夊悎鏈夋晥杈愬皠鐨勫惛鏀舵瘮渚嬶紝甯告暟
0.5
琛ㄧず妞嶈鎵�鑳藉埄鐢ㄧ殑澶槼鏈夋晥杈愬皠锛堟尝闀夸负
0.4-0.7
渭m
锛夊崰澶槼鎬昏緪灏勭殑姣斾緥銆?/p>