Integra)on of Eco-hydrological Process in Heihe River Basin Xiong - - PowerPoint PPT Presentation

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)

Research Programme of Na)onal Natural Science Founda)on of China(2011-2018)

• utline
• 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

• bserva)on in the HRB

Meteorology: 14，hydrology: 13，)me period：1990-2010

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 T ,Rh

Heating Rate Radiation Flux

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

Two way interaction between climate and biosphere

Lai npp

POM

Improved Lateral Boundary Condition

• Exponential relaxation method
• Spectral nudging technique

Zeng ocean flux

Time series of pentad precipitation in different regions

The whole domain R=0.93 Low stream R=0.80 Middle stream R=0.74 upper stream R=0.95

Sta)c field in ChyModel

Input data: TRMM periold:2010-01-2010-12

Rainy seasonal mean precipita)on, temperature discharge (May-Sept.)