South Col Relative Humidity

During the 2011, at South Col was installed two DMA672 termohygrometers and one DMA033 thermometer. All these sensors are manufactered by LSI-Lastem (Italy). DMA 672 thermohygrometer is an instrument for measuring temperature and relative humidity and suitable for a continuous measurement in severe environments; in presence of deep thermal and hygrometric ranges with high sun radiant heat. The parameters are recorded every ten minutes and data are transmitted hourly to a server at the Pyramid Laboratory-Observatory (5,050 m a.s.l., near Lobuche in Nepal’s Khumbu Valley), and from there to Ev-K2-CNR headquarters in Italy.
 
Citation proposal
(2011) . South Col Relative Humidity. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/b750dcc5-02b1-4ada-849f-2de2c4aaee47
 

INSPIRE

Identification

File identifier
b750dcc5-02b1-4ada-849f-2de2c4aaee47   XML
Hierarchy level
Series
Online resource
Protocol
WWW:DOWNLOAD-1.0-http--download
Resource identifier
Encoding
Projection
code
WGS 1984(EPSG:4326)
 

Classification of data and services

Topic category
  • Climatology, meteorology, atmosphere
  • Environment
  • Geoscientific information
 

Classification of data and services

Coupled resource
Coupled resource
 
 

Classification of data and services

Coupled resource
Coupled resource
 
 

Keywords

GEMET ( Theme )
  • thermal power plant
Other keywords
Keywords
  • SHARE , Network , Station , High Altitude
Keywords ( Place )
  • Nepal , Mt. Everest - South Col , Himalaya
Keywords ( Theme )
  • air , research , pollution , ecosystems , landscape , natural areas , climate
Keywords ( Theme )
  • monsoon , subtropical jet stream , stratospheric intrusions , real time
Keywords ( Theme )
  • AWS
Keywords ( Theme )
  • air temperature , relative humidity
 
 

Geographic coverage

N
S
E
W


 

Temporal reference

Temporal extent
Temporal extent
Date ( Publication )
2011-03-30T17:51:00
 

Quality and validity

Lineage

In 2008 expedition, at South Col was installed the DMA572 termohygrometer, that was replaced during the 2011 expedition with two DMA672 termohygrometers and one DMA033 thermometer. All these sensors are manufactered by LSI-Lastem (Italy).

DMA 672 thermohygrometer is an instrument for measuring temperature and relative humidity and suitable for a continuous measurement in severe environments; in presence of deep thermal and hygrometric ranges with high sun radiant heat.

An important feature of this set of sensor is that the thermohygrometric sensitive element is easily replaceable, in order to have a simple and rapid ordinary maintenance and avoiding calibration. The Thermohygrometer has supported a considerable improvement, owing to a deep technical and styling development process: a fan ensures a continuos air change around the sensor in order to eliminate temperature fault caused by radiant heat.

Technical characteristics:

Temperature & Relative Humidity

Range: -30 to 70°C 0 to100%

Sensitive element replacement:sensor replacement

Accuracy (Repeatability+ Hysteresis): ±0,1°C (0°C) 1,5% (5 to 95%, 23°C)

Resolution: n.a. 0,12%

Response time (Sens. element): 10 s

Long term stability:

<1°C year <1RH%year

Operating temperature: -50°÷100°C

 

Conformity

Conformity
Conformity
 

Conformity

Conformity
Conformity
 

Restrictions on access and use

Access constraints
 

Restrictions on access and use

 

Responsible organization (s)

Contact for the resource
Organisation name
Ev-K2-CNR
Email
evk2cnr@evk2cnr.org
Organisation name
Institute of Atmospheric Sciences and Climate (ISAC) - CNR
Email
p.bonasoni@isac.cnr.it
 

Responsible organization (s)

Contact for the resource
Organisation name
Ev-K2-CNR
Email
evk2cnr@evk2cnr.org
Organisation name
Institute of Atmospheric Sciences and Climate (ISAC) - CNR
Email
p.bonasoni@isac.cnr.it
 

Metadata information

Contact for the metadata
Organisation name
Ev-K2-CNR
Email
metadata@evk2cnr.org
Date stamp
2025-02-04T15:26:40
Metadata language
eng
Character set
UTF8
 
 

SDS

Conformance class 1: invocable

Access Point URL
Endpoint URL
Technical specification
 

Conformance class 2: interoperable

Coordinate reference system
 
Quality of Service
 
Access constraints
Limitation
 
Use constraints
Limitation
 
Responsible custodian
Contact for the resource
 
 

Conformance class 3: harmonized

 
 

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