基于MODIS数据的河北省草地和林地的物候期及其与NPP相关分析

张晨; 袁金国

doi:10.11873/j.issn.1004-0323.2022.1.0205

閬ユ劅鎶�鏈笌搴旂敤鈥衡�� 2022, Vol. 37 鈥衡�� Issue (1): 205-217.DOI: 10.11873/j.issn.1004-0323.2022.1.0205

鈥� 闈掍績浼氬崄鍛ㄥ勾涓撴爮鈥� 涓婁竴绡� 涓嬩竴绡�

鍩轰簬MODIS鏁版嵁鐨勬渤鍖楃渷鑽夊湴鍜屾灄鍦扮殑鐗╁�欐湡鍙婂叾涓嶯PP鐩稿叧鍒嗘瀽

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鏀剁鏃ユ湡:2020-08-25 淇洖鏃ユ湡:2021-11-17 鍑虹増鏃ユ湡:2022-02-20 鍙戝竷鏃ユ湡:2022-04-08
閫氳浣滆��: 琚侀噾鍥�
浣滆�呯畝浠�:寮犳櫒锛�1995-锛夛紝鐢凤紝娌冲寳鍞愬北浜猴紝纭曞＋鐮旂┒鐢燂紝涓昏浠庝簨閬ユ劅搴旂敤鐮旂┒銆侲?mail:zhangchen721@foxmail.com
鍩洪噾璧勫姪:
鍥藉閲嶇偣鐮斿彂璁″垝椤圭洰(2016YFD0801005);娌冲寳甯堣寖澶у閲嶇偣鍩洪噾(130539);娌冲寳鐪侀珮鏍￠噸鐐瑰绉戝缓璁鹃」鐩�

Phenological Period of Grassland and Woodland in Hebei Province and Correlation Analysis with Net Primary Productivity (NPP) based on MODIS Data

Chen Zhang^1,^2,^3,⁴(),Jinguo Yuan^1,^2,³()

^1.School of Geographical Sciences锛孒ebei Normal University锛孲hijiazhuang 050024锛孋hina
^2.Hebei Technology Innovation Center for Remote Sensing Identification of Environmental Change锛孲hijiazhuang 050024锛孋hina
^3.Laboratory of Environmental Evolution and Ecological Construction in Hebei Province锛孲hijiazhuang 050024锛孋hina
^4.Tangshan Fenghuang Middle School锛孴angshan 063000锛孋hina

Received:2020-08-25 Revised:2021-11-17 Online:2022-02-20 Published:2022-04-08
Contact: Jinguo Yuan

鎽樿/Abstract

鎽樿锛�

閫氳繃2006~2016骞翠腑绛夊垎杈ㄧ巼鎴愬儚鍏夎氨浠狹ODIS锛圡oderate Resolution Imaging Spectroradiometer锛夌殑MCD12Q2鏁版嵁闆嗗拰 NPP 锛圢et Primary Productivity锛屽噣鍒濈骇鐢熶骇鍔涳級鏁版嵁MOD17A3HGF涓烘暟鎹簮锛岀爺绌舵渤鍖楃渷鐨勮崏鍦板拰鏋楀湴鐨勭墿鍊欐湡锛氱敓闀垮璧峰鏈烻OS锛圫tart of Season锛夈�佺敓闀垮缁撴潫鏈烢OS锛圗nd of Season锛夊拰鐢熼暱瀛ｉ暱搴OS锛圠ength of Season锛夌殑澶氬勾鍧囧�肩┖闂村垎甯冨拰澶氬勾鍙樺寲瓒嬪娍锛岄�氳繃鐩稿叧鍒嗘瀽娉曠爺绌惰崏鍦板拰鏋楀湴鐨勭墿鍊欐湡瀵筃PP鐨勭浉鍏冲叧绯伙紝骞惰繘琛屾樉钁楁�ф楠屽垽鏂彉鍖栬秼鍔垮拰鐩稿叧绯绘暟鍦ㄎ�=0.05姘村钩涓婄殑鏄捐憲鎬с�傜粨鏋滆〃鏄庯細娌冲寳鐪佽崏鍦癝OS澶у鍑虹幇鍦ㄧ108~153 d锛孍OS澶у鍑虹幇鍦ㄧ273~304 d锛孡OS澶у涓�128~190 d銆傛灄鍦癝OS澶у鍑虹幇鍦ㄧ107~128 d锛孍OS澶у鍑虹幇鍦ㄧ282~306 d锛孡OS澶у涓�162~194 d銆傛渤鍖楃渷鑽夊湴鍜屾灄鍦扮殑SOS涓昏鍛堢幇鍑烘彁鍓嶈秼鍔匡紝EOS鍛堢幇寤跺悗瓒嬪娍锛孡OS涓昏鍛堢幇澧為暱瓒嬪娍锛涜崏鍦板拰鏋楀湴鐨勭墿鍊欐湡涓嶯PP涓昏鍛堢幇涓害鐩稿叧锛屽叾涓璖OS涓嶯PP涓昏鍛堢幇璐熺浉鍏筹紝EOS銆丩OS涓嶯PP涓昏鍛堢幇姝ｇ浉鍏炽��

鍏抽敭璇�: 鑽夊湴, 鏋楀湴, 鐗╁�欐湡, MODIS鏁版嵁, NPP

Abstract:

Moderate Resolution Imaging Spectroradiometer 锛圡ODIS锛� MCD12Q2 dataset and MOD17A3HGF NPP 锛圢et Primary productivity锛� data were used as data sources to study the spatial distribution and change trend of annual mean of phenological period of grassland and woodland in Hebei Province. The phenological period included Start Of growing Season 锛圫OS锛夛紝 End Of growing Season 锛圗OS锛� and Length Of growing Season 锛圠OS锛�. The correlation between phenological period of grassland and woodland and NPP was studied by correlation analysis method锛� and the significance of change trend and correlation coefficient at 伪=0.05 level was judged by significance test. The results showed that SOS of grassland in Hebei Province mostly appeared on 108~153 DOY 锛坉ay of year锛夛紝 EOS mostly appeared on 273~304^{DOY锛� most of LOS was 128~190 days. while SOS of woodland mostly appeared on 107~128 DOY锛� EOS mostly appeared on 282~306 DOY锛� most of LOS was 162~194 days. SOS of grassland and woodland in Hebei Province showed early trend锛� EOS showed delayed trend锛� and LOS showed growing trend锛� the phenological period of grassland and woodland was mainly moderately correlated to NPP锛� and SOS was mainly negatively correlated to NPP锛� while LOS and EOS were mainly positively correlated to NPP.}

Key words: Grassland, Woodland, Phenological period, MODIS data, NPP

涓浘鍒嗙被鍙�:

Q948

寮犳櫒,琚侀噾鍥�. 鍩轰簬MODIS鏁版嵁鐨勬渤鍖楃渷鑽夊湴鍜屾灄鍦扮殑鐗╁�欐湡鍙婂叾涓嶯PP鐩稿叧鍒嗘瀽[J]. 閬ユ劅鎶�鏈笌搴旂敤, 2022, 37(1): 205-217.

Chen Zhang,Jinguo Yuan. Phenological Period of Grassland and Woodland in Hebei Province and Correlation Analysis with Net Primary Productivity (NPP) based on MODIS Data[J]. Remote Sensing Technology and Application, 2022, 37(1): 205-217.

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鍩轰簬MODIS鏁版嵁鐨勬渤鍖楃渷鑽夊湴鍜屾灄鍦扮殑鐗╁�欐湡鍙婂叾涓嶯PP鐩稿叧鍒嗘瀽

Phenological Period of Grassland and Woodland in Hebei Province and Correlation Analysis with Net Primary Productivity (NPP) based on MODIS Data

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鎽樿/Abstract

寮曠敤鏈枃

浣跨敤鏈枃

鍙傝�冩枃鐚�

鐩稿叧鏂囩珷 15

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