Q6. I want to know about the difference between the products (GSMaP_NOW、GSMaP_NRT、GSMaP_MVK、GSMaP_RNL、GSMaP_Gauge_NRT、GSMaP_Gauge、GSMaP_Gauge_RNL).

A6. Please refer to the following list.

No. Data Name Data
Latency
Period Temporal
resolution
Coverage Input Data Algorithm
Hourly Daily data text
1 GSMaP_NOW 0-hour Latest 24 hours Available N/A Global, but missing outside of "Himawari" area 5 areas over land within "Himawari" area
2 GSMaP_NRT (v5) N/A 2008/10/10
to 2014/9/2
Available Available Global
(60N-60S)
<old>
 Global, but divided to 54 areas
<new>
 Divided to 15 areas
Effective data within 3 hours from observation Simple Algorithm
3 GSMaP_NRT (v6) 4-hours 2014/9/3
to present
Available Available
4 GSMaP_NRT (v7) 4-hours 2017/1/17
to present
Available Available Divided to 15 areas
5 GSMaP_MVK (v5) N/A 2000/3/1
to 2010/11/30
Available Available All valid data Full version algorithm
6 GSMaP_MVK (v6) 3-days 2014/3/1
to present
Available Available
7 GSMaP_MVK (v7) 3-days 2014/3/1
to present
Available Available
8 GSMaP_RNL N/A 2000/3/1
to 2014/2/28
Available Available
9 GSMaP_Gauge_NRT 4-hours 2017/1/17
to present
Available N/A N/A Effective data within 3 hours from observation Simple Algorithm
10 GSMaP_Gauge (v5) N/A 2000/3/2
to 2010/11/30
Available N/A N/A All valid data Full version algorithm
11 GSMaP_Gauge (v6) 3-days 2014/3/1
to present
Available Available Divided to 15 areas
12 GSMaP_Gauge (v7) 3-days 2014/3/1
to present
Available Available
13 GSMaP_Gauge_RNL N/A 2000/3/1
to 2014/2/28
Available Available
In detail, please confirm the "Data Format Description or Data Format Manual" of each product or "Algorithm Theoretical Basis Document (ATBD)".

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