AT301903B - Einrichtung zum Bestimmen des Wassergehaltes einer Schneeschicht - Google Patents

Einrichtung zum Bestimmen des Wassergehaltes einer Schneeschicht

Info

Publication number
AT301903B
AT301903B AT178069A AT178069A AT301903B AT 301903 B AT301903 B AT 301903B AT 178069 A AT178069 A AT 178069A AT 178069 A AT178069 A AT 178069A AT 301903 B AT301903 B AT 301903B
Authority
AT
Austria
Prior art keywords
determining
water content
snow layer
snow
layer
Prior art date
Application number
AT178069A
Other languages
English (en)
Inventor
Pierre Guillot
Michel Vuillot
Original Assignee
Electricite De France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electricite De France filed Critical Electricite De France
Application granted granted Critical
Publication of AT301903B publication Critical patent/AT301903B/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/12—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a flowing fluid or a flowing granular solid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/62—Performing operations exclusively by counting total number of pulses ; Multiplication, division or derived operations using combined denominational and incremental processing by counters, i.e. without column shift

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Ecology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Environmental Sciences (AREA)
  • Pathology (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Geophysics And Detection Of Objects (AREA)
AT178069A 1968-12-20 1969-02-21 Einrichtung zum Bestimmen des Wassergehaltes einer Schneeschicht AT301903B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR179725 1968-12-20

Publications (1)

Publication Number Publication Date
AT301903B true AT301903B (de) 1972-09-25

Family

ID=8658760

Family Applications (1)

Application Number Title Priority Date Filing Date
AT178069A AT301903B (de) 1968-12-20 1969-02-21 Einrichtung zum Bestimmen des Wassergehaltes einer Schneeschicht

Country Status (4)

Country Link
US (1) US3665180A (de)
AT (1) AT301903B (de)
CH (1) CH506068A (de)
FR (1) FR1598008A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3935029A1 (de) * 1989-10-20 1991-05-02 Fraunhofer Ges Forschung Verfahren und vorrichtung zur messung der feuchte in objekten

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2144086A5 (de) * 1971-06-30 1973-02-09 Commissariat Energie Atomique
GB1431751A (en) * 1972-04-26 1976-04-14 Lucas Industries Ltd Ice detection equipment
US3801779A (en) * 1972-05-03 1974-04-02 Sluis D Ver Snowfall level detector
US3848131A (en) * 1972-08-16 1974-11-12 E Tesnavs Radioactive radiation detection system
US3975641A (en) * 1974-08-23 1976-08-17 Idaho Industrial Instruments, Inc. (Entire) Low level snow precipitation gauge
US4053775A (en) * 1976-01-29 1977-10-11 The United States Of America As Represented By The Secretary Of The Interior Constant flow radon gas monitor
BR8807743A (pt) * 1988-07-27 1990-08-07 Univ Kazakhsky Dispositivo para a medicao do teor de umidade do solo e da reserva de agua na neve
GR890100300A (el) * 1989-05-05 1991-10-10 Univ Kazakhsky Συσκευη μετρησεως της περιεχομενης υγρασιας στο εδαφος και του αποθηκευμενου νερου στο χιονι.
US5594250A (en) * 1995-04-03 1997-01-14 Condreva; Kenneth J. Method for detecting water equivalent of snow using secondary cosmic gamma radiation
US6832522B2 (en) 2002-08-05 2004-12-21 The United States Of America As Represented By The Secretary Of The Army Detector and system for indicating pressure change and methods of use
CA2573711A1 (en) * 2007-01-10 2008-07-10 Hydro Quebec Gamma monitoring of snow water equivalent and soil moisture content

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3935029A1 (de) * 1989-10-20 1991-05-02 Fraunhofer Ges Forschung Verfahren und vorrichtung zur messung der feuchte in objekten

Also Published As

Publication number Publication date
US3665180A (en) 1972-05-23
FR1598008A (de) 1970-06-29
CH506068A (fr) 1971-04-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee