Observation Plans in Observation Plans in West Pacific West Pacific

Jianping LiJianping Li1)1), Guoxiong Wu, Guoxiong Wu1)1) and Fan Wang and Fan Wang2)2)

1) LASG, Institute of Atmospheric Physics (IAP), Chinese Academy of 1) LASG, Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences (CAS), Beijing 100029, ChinaSciences (CAS), Beijing 100029, China

2) Institute of Oceanology, Chinese Academy of Sciences,2) Institute of Oceanology, Chinese Academy of Sciences,Qingdao 266071, ChinaQingdao 266071, China

January 26-27, 2007, Yokohama, JapanJanuary 26-27, 2007, Yokohama, Japan

Air-sea flux tower at Xi-Sha Island

NEC

NECC

SEC

Kurosh

ioMooring east of

Luzon Island

Indian Ocean

Western P

acific Ocean

SCS

ITF

Subsurface mooring off Java

coast

Subsurface mooring at Karimata

strait

Schematic observation plan of air-sea-land interaction in the AIPO RegionSchematic observation plan of air-sea-land interaction in the AIPO Region

MAHASRIMAHASRIPALAUPALAU

AIPAIPOOCTCZCTCZ

NPOIMSNPOIMS

The National Basic Research Program of China /973 ProgramThe National Basic Research Program of China /973 Program

• Ocean-Atmosphere Interaction over the Joining Ocean-Atmosphere Interaction over the Joining Area of Asia and Indian-Pacific Ocean (AIPO) Area of Asia and Indian-Pacific Ocean (AIPO) and Its Impact on the Short-Term Climate and Its Impact on the Short-Term Climate Variation in ChinaVariation in China

Period: 2006.09 - 2011.09Period: 2006.09 - 2011.09

2.2. Low Frequency Variability of Subtropical North Low Frequency Variability of Subtropical North Pacific Ocean Circulation and Its Impacts on the Pacific Ocean Circulation and Its Impacts on the Dynamic Environment of the Marginal SeasDynamic Environment of the Marginal Seas

((NPOIMSNPOIMS)

Period: 2007.09 - 2012.09Period: 2007.09 - 2012.09

The theme of the program is to identify The theme of the program is to identify

the characteristics, patterns, and causes the characteristics, patterns, and causes

of air-sea interactions over the AIPO of air-sea interactions over the AIPO

joining area and the intrinsic joining area and the intrinsic

mechanisms of their impacts mechanisms of their impacts

on the short-term climate on the short-term climate

anomalies over China.anomalies over China.

AIPO: KEY SCIENTIFIC ISSUESAIPO: KEY SCIENTIFIC ISSUES

Reveal the characteristics in seasonal to inter-annual Reveal the characteristics in seasonal to inter-annual time scale of the air-sea interaction in the AIPO joining time scale of the air-sea interaction in the AIPO joining area, and propose a theoretical framework about the area, and propose a theoretical framework about the impacts of these processes on the short-term climate impacts of these processes on the short-term climate variation in this area;variation in this area;

Develop a new-generation OGCM and its coupled Develop a new-generation OGCM and its coupled climate model, and propose theories and methods for climate model, and propose theories and methods for improving the prediction of the East Asian climate improving the prediction of the East Asian climate variation on seasonal to interannual scales;variation on seasonal to interannual scales;

Construct a fine spacial resolution ocean data Construct a fine spacial resolution ocean data assimilation system for the AIPO joining area, achieve assimilation system for the AIPO joining area, achieve significant advances in the predictability of ENSO and significant advances in the predictability of ENSO and East Asian monsoon, and also provide a set of high-East Asian monsoon, and also provide a set of high-quality ocean re-analysis data in this area.quality ocean re-analysis data in this area.

AIPO: Specified ObjectivesAIPO: Specified Objectives

NPOIMS: ObjectivesNPOIMS: Objectives

To To understandunderstand Mechanisms and Mechanisms and improve the Prediction of low-improve the Prediction of low-frequency variability of dynamic frequency variability of dynamic environments of the marginal environments of the marginal seas and the adjacent deep ocean.seas and the adjacent deep ocean.

(1) reveal the processes and mechanisms of (1) reveal the processes and mechanisms of energy and mass exchange between the energy and mass exchange between the subtropical North Pacific and the marginal subtropical North Pacific and the marginal seas; seas;

(2) establish both conceptual and numerical (2) establish both conceptual and numerical models of this dynamic exchange system, and models of this dynamic exchange system, and assess the predictability of low frequency assess the predictability of low frequency variability of the marginal seas and the adjacent variability of the marginal seas and the adjacent deep ocean; deep ocean;

(3) develop theories of interaction between (3) develop theories of interaction between deep ocean and marginal seas. deep ocean and marginal seas.

NPOIMS:NPOIMS: Specified ObjectivesSpecified Objectives

AIPO: Western Pacific gyre interaction between tropics and subtropics and its relationship with the western Pacific anticyclone

EA-WP

EA-WPHeat TransportHeat Transport

WPSHWPSH

3.Mechanisms of the Kuroshio variations over the East China

Sea and its impacts on the shelf dynamic environment 1. Dynamics and

mechanisms of interior ocean variability and its influences on the western boundary current

2. Mechanisms of variations of the current system at the Kuroshio origin and impacts on the water and energy exchange through Luzon Strait

NPOIMS: Some NPOIMS: Some Key Scientific Issues

Cross section stations

Moorings by 973 projects

Moorings by 863 project From 2008

Mooring Array and Cross Section Observation

Plan for Field ExperimentPlan for Field Experiment

Submersible mooring system and cross-section observations in the sea east of Luzon:Eight long-term (2-3 years) submersible moorings and several (3-4) cruise observational cross-sections near 18N and in the East China Sea. Data: upper ocean temperature-salinity, flow velocity and air-sea interface flux, and other key parameters.

West Pacific Observation from AIPO and NPOIMSWest Pacific Observation from AIPO and NPOIMS

Target: Understanding Air-sea interaction in Target: Understanding Air-sea interaction in Western Pacific and Western North Pacific Western Pacific and Western North Pacific monsoon monsoon

(1) Period: 2008-2009(1) Period: 2008-2009

(2) Observation regions: (2) Observation regions: Luzon Strait, East and Luzon Strait, East and West of the Luzon Island (18N), East China Sea,West of the Luzon Island (18N), East China Sea, and Western Pacific;and Western Pacific;

(3) Observation items/Data: Mooring at the eight (3) Observation items/Data: Mooring at the eight stations, upper ocean temperature-salinity, flow stations, upper ocean temperature-salinity, flow velocity, velocity, air-sea interface flux and RV cruises. and RV cruises.