Integration of Eco-hydrological Process in Heihe River Basin

Presentation on theme: "Integration of Eco-hydrological Process in Heihe River Basin"— Presentation transcript:

1 Integration of Eco-hydrological Process in Heihe River Basin
Research Programme of National Natural Science Foundation of China( ) Integration of Eco-hydrological Process in Heihe River Basin Xiong Zhe Tian Zhan, Sun shanlei Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS)

2 outline Introduce Integration of Eco-hydrological Process in Heihe River Basin Dynamic downscaling by high resolution Regional Integrated Environmental Model System ( RIEMS) in Heihe River Basin Preliminary result simulated by Chymodel in HRB

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6 Simulation of high resolution of future climate change scenarios and assessment of uncertainty in the HRB Budget: 4 millions RMB Period:

7 Distribution of meteorological and hydrological observation in the HRB
Meteorology: 14，hydrology: 13，time period：

8 A Schematic Diagram of high resolution RIEMS For HRB
MM5v3 BATS ( AVIM) Radiation Package (CCM3) Lateral Boundary Scheme Moisture Scheme Soil moisture Initialization scheme A hydrological model U, V Rh T P , Cloud Cloud Surface Radiation Flux ,Rh Heating Rate BIOME 3 Land use model Global analysis or GCMs outputs Atmospheric chemistry/ particle model (O3, CO2, sulphate, black carbon, dust aerosol, etc) Emission model U,V,W,Precipitation,Cloud Improved Lateral Boundary Condition Exponential relaxation method Spectral nudging technique POM Lai npp Two way interaction between climate and biosphere Zeng ocean flux

9 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 Observation 为观测站点数据，itp cas 为青藏所卫星遥感数据，simulation 为区域气候模式模拟的结果 （1）对于整个黑河流域来说，区域气候模式模拟能够较好模拟出观测候随时间的演变，并且与观测相关系数为0.93，通过99%置信度检验 （2）对于黑河流域来说，降水主要来源于上游地区占黑河流域降水70-80%，中游降水次之，降水最少地区为下游地区 （3）对于上中下游地区候降水来说，区域气候模式模拟的候降水强度与观测非常接近，能够较好模拟出候降水随时间演变，并与观测相关系数分别为0.95，0.74，0.80，都通过99%置信度检验

10 Static field in ChyModel
Input data: TRMM periold:

11 Rainy seasonal mean precipitation,
temperature discharge (May-Sept.)

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