Dataset
Moni1000_UAVLiDAR_Crowns is releasedNew!!

This data set consists of four types of data created by UAV-LiDAR surveying and fieldwork at 22 forest monitor […]

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Dataset
"Bias corrected climate scenarios over Japan based on CDFDM method using CMIP5" (NIES2019) updated

On March 13, 2025, we replaced the daily values of the global solar radiation (rsds) in this data set with cor […]

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Operation
DIAS System temporarily unavailable [3nd report]

2026/03/05 22:00 (JST/GMT+9) Third report All DIAS services have been restored by this afternoon. If any servi […]

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Dataset
Bias Corrected Data of d4PDF5km(2022) is released

This dataset is a bias-corrected version of the nationwide d4PDF downscaling data for daily precipitation and […]

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Dataset
The available period for the MLIT Telemeter Data is extended.

The MLIT Telemetry Data are available for "precipitation," "water level," and "various dam volumes" using the […]

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Dataset
5-km regional climate downscaling for Japanese region using JRA-55 (RCDSJRA55) is released

This data set is a 5-km grid data set that has been dynamically downscaled from the the Japanese 55-year Reana […]

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Operation
The support disk will be closed during the year-end holidays

The DIAS Secretariat Support Desk will be closed during the year-end and New Year holidays. Inquiries sent to […]

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Dataset
[Dec.23 Updated] XRAIN after November 24 are currently missing

[December 23 updated] The distribution of quasi-real-time data has been restored and is being received normall […]

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Operation
December 7 DIAS Unreachable

Due to maintenance at the upper node of the network to which DIAS is connected, network connections will be in […]

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Operation
(Updated) Nov. 12 DIAS unexpectedly unavailable

(20:30 JST/GMT+9 Updated) Though most of the system has been restored, it is still expected to take some time […]

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