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Sea Ice Monitoring and Prediction in Japan Meteorological Agency April 2003. Office of Marine Prediction Climate and Marine Department Japan Meteorological Agency. Data Flow of Sea Ice Monitoring in JMA. GMS NOAA. Meteorological Satellite Center. DMSP SSM/I. Sea Ice Section

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Sea ice monitoring and prediction in japan meteorological agency april 2003

Sea Ice Monitoring and Prediction in Japan Meteorological AgencyApril 2003

Office of Marine Prediction

Climate and Marine Department

Japan Meteorological Agency


Data Flow of Sea Ice Monitoring in JMA Agency

GMS

NOAA

Meteorological Satellite Center

DMSP SSM/I

Sea Ice Section

Japan Meteorological Agency

Sapporo District Observatory

Hakodate Marine Observatory

NOAA NESDIS

Coastal Observation

Sea Ice Analysis

Sea Ice Forecast

Wakkanai, Kitamiesashi, Mombetsu, Abashiri, Nemuro, Kushiro

Aircraft Observation

Users

Marine/Land Defense Force, Japan Coast Guard

Fishery

Sight Seeing

Other Nations

Coastal RADAR

Hokkaido University


Numerical Sea Ice Model Agency

Area ; Southwest edge is located 42N, 140E.

Number of the grid ; 71*71.

Resolution ; 12.5km

Parameters

SST ; Analyzed by NOAA AVHRR (MCSST method),

and GMS

Sea Surface Current ; statistical value

Weather Prediction data ;

RSM(Regional Spectral Model) and

GSM(Global Spectral Model) 6hourly

Equipment

3500/E540PS HITACHI


Sea Ice Monitoring System in JMA(Future Plan) Agency

Data Acquisition

Satellite Observation

GMS,NOAA

Observation by

Aircraft

Ship

Coastal Observation

DMSP

RADARSAT

ADEOS-Ⅱ

Sea Ice Analysis in the Coastal Area of Hokkaido

Global Analysis

Sea Ice Analysis in the Sea of Okhotsk

Whole Okhotsk Model

Coastal Sea Ice Model

Near Real Time

Global Sea Ice Data

Forecast of Sea Ice Conditions of Whole Okhotsk

Forecast of Sea Ice Conditions near Hokkaido

Boundary condition of Climate Prediction Model and Weather Prediction Model

Sea Ice Information

Near Hokkaido, Okhotsk and, Global

Statistical Data Arcive

Users

Web in JMA


RADARSAT Data Utilization Agency

1. Purpose

Sea Ice Analysis in detail in the Sea of Okhotsk

For the appropriate initial data for Coastal Sea Ice Model

and Whole Okhotsk Model

Estimation of Sea Ice Thickness ( if possible )

Estimation of Sea Surface Current ( if possible )

2. Requirement in JMA to for RADARSAT data

Every 5 day’s data

Ascending and Descending

ScanSAR Wide mode

4 Scenes a day from December to May

In a year, about 150 scenes are necessary for sea ice monitoring.


Process of Making the initial data for Sea Ice Model Agency

Sea Surface Temperature

Sea Surface Current

Analysis

Initial Data

Numerical Sea Ice Model

Numerical Weather Prediction

Sea Ice Concentration/Extent

Sea Ice Thickness

Forecast Data

Feedback

Sea Ice Concentration/Extent

Sea Ice Thickness

At the first time of running the model, sea ice thickness is determined 20cm.


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