Research Programme of Na)onal Natural Science Founda)on of China(2011-2018) Integra)on of Eco-hydrological Process in Heihe River Basin Xiong Zhe Tian Zhan, Sun shanlei Ins)tute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS)
outline • Introduce Integra)on of Eco-hydrological Process in Heihe River Basin • Dynamic downscaling by high resolu)on Regional Integrated Environmental Model System ( RIEMS) in Heihe River Basin • Preliminary result simulated by Chymodel in HRB
Simula'on of high resolu'on of future climate change scenarios and assessment of uncertainty in the HRB Budget: 4 millions RMB Period: 2015-2018
Distribu)on of meteorological and hydrological observa)on in the HRB Meteorology: 14 ， hydrology: 13 ， )me period ： 1990-2010
A Schematic Diagram of high resolution RIEMS For HRB Improved Lateral Boundary Condition U,V,W,Precipitation,Cloud • Exponential relaxation method Lateral Boundary Scheme • Spectral nudging technique GCMs outputs Global analysis or POM Heating Rate MM5v3 Radiation Flux U, V T ,Rh Atmospheric Rh T chemistry/ Radiation Cloud Lai Moisture particle Scheme Package model Two way interaction npp between climate and (CCM3) biosphere P , Cloud (O3, CO2, sulphate, black Soil moisture carbon, dust Initialization scheme BATS Surface aerosol, etc) Radiation Flux ( AVIM) A hydrological model Zeng ocean flux Emission model BIOME 3 Land use model
Time series of pentad precipitation in different regions upper stream R=0.95 The whole domain R=0.93 Middle stream R=0.74 Low stream R=0.80
Sta)c field in ChyModel Input data: TRMM periold:2010-01-2010-12
Rainy seasonal mean precipita)on, temperature discharge ( May-Sept.)
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