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within Article Remove this filter Michael Köhl Remove this filter Atmospheric Protection/Air Quality Control/Air Pollution Remove this filter Environmental Management Remove this filter

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    Article

    A Variance Estimator for Constrained Estimates of Change in Relative Categorical Frequencies

    Consistent estimators of change and state becomes an issue when sample data come from a mix of permanent and temporary observation units. A joint maximum likelihood estimator of state and change creates estima...

    Steen Magnussen, Michael KÖhl in Environmental Monitoring and Assessment (2005)

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    Article

    Harmonisation and Standardisation in Multi-National Environmental Statistics – Mission Impossible?

    Multi-national statistics are frequently based on data, whichoriginate from national surveys. The systems of nomenclatureapplied for key attributes often show national differences.Different error sources which...

    Michael Köhl, Berthold Traub, Risto Päivinen in Environmental Monitoring and Assessment (2000)

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    Article

    Reliability of differing densities of sample grids used for the monitoring of forest condition in Europe

    Concern about the possible deterioration of forest health led to the establishment in the 1980s of inventories of forest condition throughout Europe. International standardisation of the programmes was sought ...

    Michael Köhl, John L. Innes, Edgar Kaufmann in Environmental Monitoring and Assessment (1994)