AQD - Regional dispersion situation Submitted None Data Dictionary Vocabularies Eionet Data Dictionary High alpine terrain Area with relative altitudes above 1000 m on a scale of some 10 km, not located at the bottom of a valley or basin Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Basin partly surrounded by mountains Bottom of a basin (relative altitude less than 100 m) located at the border of mountains, surrounded by alpine or mountainous terrain on one side and flat or hilly terrain on the other side. Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Basin in hilly terrain Bottom of a basin (relative altitude less than 100 m) in hilly terrain. A basin is characterized as flat or hilly terrain on a scale of 5 to some 10 km surrounded by hilly or mountainous terrain. Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Basin in mountainous terrain Bottom of a basin (relative altitude less than 100 m) in mountainous terrain. Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Coast with mountainous terrain in interior Marine coast with mountainous or alpine terrain (see above) in its interior Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Coast with plane terrain in interior Marine coast with plane or hilly terrain (see above) in its interior Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Hilly terrain Area with relative altitudes between 100 and 300 m on a scale of several 10 km Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Mountainous terrain – ridge, pass or summit Area with relative altitudes between 300 and 1000 m on a scale of some 10 km. Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Mountainous terrain – slope Area with relative altitudes between 300 and 1000 m on a scale of some 10 km. Slope characterizes locations neither on valley bottom not on ridge, summit or pass. Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Plane terrain Flat area on a scale of several 10 km with relative altitudes less than 100 m Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Valley in hilly terrain Bottom of a valley (relative altitude less than 100 m) in hilly terrain Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation Valley in mountainous terrain Bottom of a valley (relative altitude less than 100 m) in mountainous or alpine terrain Valid Data Dictionary Vocabularies Eionet Data Dictionary AQD - Regional dispersion situation