Sun Photometer

At the end of March 2006 a Cimel CE-318 sunphotometer was installed at The Nepal Climate Observatory - Pyramid (NCO-P) within the framework of the Aerosol Robotic Network, AERONET (http://aeronet.gsfc.nasa.gov, EvK2-CNR site). It provides a characterization of aerosol optical and microphysical properties of the air column above the station.
 
Citation proposal
(2011) . Sun Photometer. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/332e244e-3eb5-42be-a364-bcf759a69b94
 

Identification

Data identification

Citation

Date ( Publication )
2011-04-01T19:01:00
Purpose
Cimel CE 318 sun photometer is an automatic sun-tracking and sky radiometer for measuring the optical depth at 8 wavelengths between 340 and 1020 nm. This instrument is part of the AERONET project, as number 367.
Status
Completed

  Point of contact

  +39 035 3230551 
Website
http://www.evk2cnr.org/  

  Point of contact

  +39 051 639 9652 

  Principal investigator

  +39 06 20660291 
Maintenance and update frequency
As needed
Keywords
  • SHARE , Network , Station , High Altitude
Keywords
  • WMO , GAW , GAWSIS , AERONET
Keywords
  • CEOP
Keywords ( Place )
  • Nepal , Himalaya
Keywords ( Theme )
  • meteorology
Keywords ( Theme )
  • air , research , pollution , ecosystems , landscape , natural areas , climate

Legal constraints

Use limitation
No conditions apply
Access constraints
Copyright
Other constraints
Character set
UTF8
Topic category
  • Climatology, meteorology, atmosphere
  • Environment
  • Geoscientific information
N
S
E
W


Supplemental Information
 

Distribution

Distribution

Digital transfer options

OnLine resource
SHARE Geonetwork portal  

SHARE Geonetwork portal

OnLine resource
ISAC EVK2-Nepal Climate Observatory - Pyramid website  

ISAC EVK2-Nepal Climate Observatory - Pyramid website

OnLine resource
GAWSIS (Global Atmosphere Watch Station Information System) report about Nepal Climate Observatory - Pyramid  

GAWSIS (Global Atmosphere Watch Station Information System) report about Nepal Climate Observatory - Pyramid

OnLine resource
Official website of CEOP-HE (Coordinated Energy and water cycle Observation Project - High Elevation)  

Official website of CEOP-HE (Coordinated Energy and water cycle Observation Project - High Elevation)

OnLine resource
https://geoportal.mountaingenius.org/webapp/srv/en/resources.get?id=129&fname=&access=private  
OnLine resource
ce318.pdf  

User Manual CE318

 

Quality

Data quality

Scope

Hierarchy level
Series
Other
data: aerosol optical thickness
Statement
Automated Cimel CE-318 sunphotometer was installed at the NCO-P on March 27, 2006, as part of the AERONET network. The Sun Photometer operates at seven wavelengths (340, 380, 440, 500, 670, 870, 940 and 1020 nm), performing both “direct sun” and “sky radiance” measurements. Data are continually sent via GMS Satellite to the AERONET headquarters at NASA - GSFC for processing. Standard products of the sun-pointing data analysis are aerosol optical depths (AOD) and related Angstrom exponents at all the wavelengths, plus precipitable water (PW) and aerosol fine mode optical depth (AODFM) at 500 nm. Two data versions (Versions 1 and 2) and three quality levels (Levels 1.0, 1.5, 2.0) exist for each product. While Levels 1.0 and 1.5 are provided in near real-time, the 12-month or longer delay (due to final calibration and manual inspection) ensures that the highest quality data can be found in Version 2, Level 2.0 data products. Version 2 AOD processing now includes fine and coarse mode AOD as well as fine mode fraction. The sunphotometer used is Cimel -Level 2.0. This instrument is the standard instrument used in the AERONET (AErosol RObotic NETwork) international network.
 

Spatial rep.

Vector spatial representation

Topology level
Geometry only

Geometric objects

Geometric object type
Point
Geometric object count
1
 

Ref. system

Reference system identifier
EPSG / WGS 84 (EPSG:4326) / 7.4
 

Metadata

Metadata

File identifier
332e244e-3eb5-42be-a364-bcf759a69b94   XML
Metadata language
eng
Character set
UTF8
Parent identifier
d83f95af-91e7-443e-974f-c7e1f0be700d
Hierarchy level
Series
Date stamp
2011-10-19T11:11:38
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0

  Point of contact

  +39 035 3230551 
Website
http://www.evk2cnr.org  
 
 

Md. constraints

Use limitation
No conditions apply
 

Md. maintenance

Maintenance information

Maintenance and update frequency
As needed
Update scope
Series

  Point of contact

  +39 035 3230551 
Website
http://www.evk2cnr.org  
 

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