Rain gauge

In the framework of Ev-K2-CNR / SHARE (Stations at High Altitude for Research on the Environment) project the first permanent Automatic Weather Station (AWS) has been installed in Uganda, on July 18, 2006 in the western part of the Stanley Plateau, the biggest Rwenzori glacial mass. The Project was carried out during the celebration of Mt. Ruwenzori first ascent by Duke of Abruzzi in 1906 . This station has the same technical characteristics of the Ev-K2- CNR networks located in the high altitude regions of Himalaya and Karakorum. The station records continuously measurements of the seven meteorological standard parameters: air temperature, relative humidity, wind speed and direction, atmospheric pressure, global solar radiation and total precipitation. The Rwenzori observations will permit to study physical and dynamical processes at Africa high elevations in the framework of SHARE and GEWEX-CEOP HE programs to improve our understanding of variability and change in hydrological and energy cycles and their role in the climate system.
 
Citation proposal
(2011) . Rain gauge. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/9706d104-14b2-461c-9d6b-e69932401394
 

Simple

Date ( Publication )
2011-03-30T17:51:00
Purpose
At the AWS Rwenzori station the DQA030 Lsi-Lastem rain gauge measures total precipitation
Status
On going

  Point of contact

  +39 035 3230551 
Website
http://www.evk2cnr.org/  
Maintenance and update frequency
As needed
GEMET ( Theme )
  • thermal power plant
Keywords
  • SHARE , Network , Station , High Altitude
Keywords ( Theme )
  • AWS
Keywords ( Place )
  • Rwenzori Range , Uganda , Elena Glacier
Use limitation
No conditions apply
Access constraints
Copyright
Other constraints
Metadata language
eng
Character set
UTF8
Topic category
  • Climatology, meteorology, atmosphere
  • Environment
  • Geoscientific information
N
S
E
W


Supplemental Information
Reference system identifier
EPSG / WGS 84 (EPSG:4326) / 7.4
Topology level
Geometry only
Geometric object type
Point
Geometric object count
13
OnLine resource
SHARE Geonetwork portal  

SHARE Geonetwork portal

OnLine resource
DQA030_Manual.pdf  

DQA030 Rain Gauge Manual

Hierarchy level
Series
Statement

At the AWS Rwenzori station the DQA030 rain gauge is manufactured by LSI-Lastem equipped with a siphon placed on the cone's nozzle; it has two functions: during light rain the drizzle falls on the bascule without moving it and therefore evaporates without being measured; during heavy rain, it regulates the flow into the bascule permitting all the water to fall inside. LSI-LASTEM rain gauges have stainless steel housing whereas the cone has been designed to avoid the drops splash phenomena and to allow water droplets to dribble down inside even in case of very light rain. The rain gauge can be placed either directly on the ground by means of the DYA042 base plate or mounted on the top or the side of 50 mm diameter. For sites with sub-zero temperatures, the thermostatic heated models ensure the complete melting of snow, even at extreme temperature, whereas minimizing losse of evaporation; these models are insulated to reduce heat dispersion.

Technical characteristic:

Collettor surface area: 324 cmq

Collector area diameter: 203 mm

Measurement range: Max 10 mm/min

Resolution: 0.2 mm/imp. (opt. 0.1, 0.5 mm/imp)

Accuracy: 0-1 mm/min: +- 1 basculata/tip 1-10 mm/min:1%

Contact: 1 reed (opt. N.2 REED) 0.5 a/24v non inductive

Pulse duration: 100 msec+-50

Collector cone material: Aluminium

External housing material: Aluminium

Tipping bucket material: Aluminium

gmd:MD_Metadata

File identifier
9706d104-14b2-461c-9d6b-e69932401394   XML
Metadata language
eng
Character set
UTF8
Parent identifier
214ae251-8e1f-47f2-97bc-95c0ee8813aa
Hierarchy level
Series
Date stamp
2011-11-22T16:05:03
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0

  Point of contact

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

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