Chapter 3 3.4 Crop growth and its modeling 3.4.1 Components of plant growth 3.4.2 Empirical models 3.4.3 Process-based models 3. 4. 4 Case studies 2021/2/22 Assessment of Climate/Change Impacts I of 53
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 1 of 53 3.4 Crop growth and its modeling 3.4.1 Components of plant growth 3.4.2 Empirical models 3.4.3 Process-based models 3.4.4 Case studies
Chapter 3 3. 4. 4 Case studies (1)Impact assessment (2) Sensitivity analysis (3 Calibration (4)Ⅴ alidation 2021/2/22 Assessment of Climate/Change Impacts 2of53
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 2 of 53 3.4.4 Case studies (1) Impact assessment (2) Sensitivity analysis (3) Calibration (4) Validation
Chapter 3 ) Impact assessment -using empirical model Regionalization of climatic resources Inner-Mongolia Variation of climatic resources Assessment of impacts of climate change on crop yields 2021/2/22 Assessment of Climate/Change Impacts 3of53
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 3 of 53 • Regionalization of climatic resources Inner-Mongolia • Variation of climatic resources • Assessment of impacts of climate change on crop yields (1) Impact assessment --using empirical model
Chapter 3 Regionalization of climatic resources Inner-Mongolia Yp=E. Q)f(t)of(w).HI f(t (t-3)/19 f(w)=p/(0.0018(25+t)2(100-f) 2021/2/22 Assessment of Climate/Change Impacts 4of53
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 4 of 53 Yp=E•(Q)•f(t)•f(w)•HI f(t)= 0 (t-3)/19 1 f(w)=p/(0.0018(25+t)2 (100-f) Regionalization of climatic resources --Inner-Mongolia
Chapter 3 Regionalization of climatic resources Inner-Mongolia kt=(YL-Yt/YL threshold: 0.6.0.5.0.3 Kw=(Yt-Yp)t threshold:0.6.0.5.0.3 2021/2/22 Assessment of Climate/Change Impacts 5of53
Chapter 3 2021/2/22 Assessment of Climate/Change Impacts 5 of 53 Kt=(YL-Yt)/YL • threshold: 0.6, 0.5, 0.3 Kw=(Yt-Yp)/Yt, • threshold: 0.6, 0.5, 0.3 Regionalization of climatic resources --Inner-Mongolia