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Energy and radiation balance maps of Lake Kasumigaura, Japan (2008-2012)

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Type:	Resource
Storage:	The size of this resource is 108.9 MB
Created:	Jan 09, 2020 at 4:47 a.m.
Last updated:	Aug 17, 2020 at 7:10 a.m.
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Sharing Status:	Public
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Abstract

Energy and radiation balance maps of Lake Kasumigaura, a 172-km2 shallow lake in Japan, with a 90-m spatial resolution were created at a 3-hour interval over 5 years of 2008-2012 based on spatially interpolated meteorological variables and water surface temperature, with turbulent fluxes estimated by the bulk equations. The data set consists of two types: monthly time series data (excel file) and grid data covering Lake Kasumigaura (ESRI Ascii grid file). The first one is (1) Monthly mean values of spatially averaged energy and radiation balance components. The second type includes (2) 5-year mean values of energy and radiation balance components, (3) Annual mean values of energy and radiation balance components, (4) seasonal mean energy and radiation balance components averaged over 5-years, (5) 5-year mean wind speed, and (6) Seasonal mean wind speed averaged over 5-years. Details of the methods are explained in Sugita et al. (2020).

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Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Lake Kasumigaura

North Latitude

36.1801°

East Longitude

140.5424°

South Latitude

35.9270°

West Longitude

140.1552°

Temporal

Start Date:
End Date:

Content

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readme.txt

File name convention

I. Grid data (ESRI ascii format)

File name has the following format: Variable_time period-time period2.ASC

(1) Variable field
Rn: net radiation
LE: latent heat flux
H: sensible heat flux
G: flux going into water body
U: wind speed at 10 m

(2) time period field
YYYY: year (such as 2008 or 2012)
5Y: five year average from 2008-2012

(3) time period2 field
SON: Fall (Sept-Oct.-Nov) average
MAM: Spring (March-April-Mary) average
JJA: Summer (June-July-August) average
JAS: Summer (July-August-Sept.) average
DJF: Winter (Dec-Jan-Feb) average 

II. Time series data (Excel file)

Only one file (MonthlyEnergyRadiationData_2008-12_monthly.xlsx) excists. 

The excel file contains seven sheets with the following name format: Variable_tume period_time step
(1) Variable field
Rlu: downward longwave radiation
Rsd: downward shortwave radiation
G: flux going into lake water body
LE: latent heat flux
H: sensible heat flux
Rn: net radiation

(2) period field (fixed)
2008-2012

(3) time step field (fixed)
monthly

In each sheet, data are given in the following format
Date (YYYY/MM/DD), Monthly meant (W/m2), Number of data used to derive spatial means, Standard deviation (W/m2).

DD of the data field is fixed as "15".

Additional Metadata

Name	Value
G	Flux going into lake water body (W/m2)
H	Sensible heat flux
U	Mean wind speed at 10 m (m/s)
LE	Latent heat flux (W/m2)
Rn	Net radiation (W/m2)

Related Resources

This resource is referenced by	Sugita, M., Ogawa, S., and Kawade, M. (2020): Wind as a main driver of spatial variability of surface energy balance over a shallow 10^2-km^2 scale lake: Lake Kasumigaura, Japan, Water Resources Research, doi: 10.1029/2020WR027173.
The content of this resource is derived from	Meteorological data routinely measured by the Kasumigaura River Office of the Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport, and Tourism of Japan
The content of this resource is derived from	Meteorological data routinely measured by the Lake Kasumigaura Water Research Station of the National Institute for Environmental Studies
The content of this resource is derived from	Meteorological data routinely measured by the Japan Meteorological Agency
The content of this resource is derived from	Meteorological data routinely measured by Hyakuri Air Base, Japan Air Self-Defence Force
The content of this resource is derived from	Atmospheric environment data routinely measured by the National Institute for Environmental Studies

Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
The Japan Society for the Promotion of Science	KAKENHI	15K01159
The Japan Society for the Promotion of Science	KAKENHI	20H01384

How to Cite

Sugita, M., S. Ogawa, M. Kawade (2020). Energy and radiation balance maps of Lake Kasumigaura, Japan (2008-2012), HydroShare, http://www.hydroshare.org/resource/9ee484df79e6471fb792c7910b25d57f

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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