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- Double_mass_analysis abstract "Double mass analysis is a commonly used data analysis approach for investigating the behaviour of records made of hydrological or meteorological data at a number of locations. It is used to determine whether there is a need for corrections to the data to account for changes in data collection procedures or other local conditions. Such changes may result from a variety of things including changes in instrumentation, changes in observation procedures, or changes in gauge location or surrounding conditions. Double mass analysis for checking consistency of a hydrological or meteorological record is considered to be an essential tool before taking it for analysis purpose. This method is based on the hypothesis that each item of the recorded data of a population is consistent.An example of a double mass analysis is a "double mass plot", or "double mass curve". For this, points and/or a joining line are plotted where the x- and y- coordinates are determined by the running totals of the values observed at two stations. If both stations are affected to the same extent by the same trends then a double mass curve should follow a straight line. A break in the slope of the curve would indicate that conditions have changed at one location but not at another.This technique is based on the principle that when each recorded data comes from the same parent population, they are consistent.".
- Double_mass_analysis wikiPageID "19176602".
- Double_mass_analysis wikiPageRevisionID "597543510".
- Double_mass_analysis hasPhotoCollection Double_mass_analysis.
- Double_mass_analysis subject Category:Data_analysis.
- Double_mass_analysis subject Category:Hydrology.
- Double_mass_analysis subject Category:Meteorology.
- Double_mass_analysis subject Category:Statistical_charts_and_diagrams.
- Double_mass_analysis type Abstraction100002137.
- Double_mass_analysis type Chart106999802.
- Double_mass_analysis type Communication100033020.
- Double_mass_analysis type StatisticalChartsAndDiagrams.
- Double_mass_analysis type VisualCommunication106873252.
- Double_mass_analysis comment "Double mass analysis is a commonly used data analysis approach for investigating the behaviour of records made of hydrological or meteorological data at a number of locations. It is used to determine whether there is a need for corrections to the data to account for changes in data collection procedures or other local conditions.".
- Double_mass_analysis label "Double mass analysis".
- Double_mass_analysis label "تحليل الكتلة المزدوجة".
- Double_mass_analysis sameAs m.04lj3sf.
- Double_mass_analysis sameAs Q5300065.
- Double_mass_analysis sameAs Q5300065.
- Double_mass_analysis sameAs Double_mass_analysis.
- Double_mass_analysis wasDerivedFrom Double_mass_analysis?oldid=597543510.
- Double_mass_analysis isPrimaryTopicOf Double_mass_analysis.