China ; Comparative study ; Digital elevation model ; Doline ; Geomorphometry ; Guangxi Zhuang ; Indiana ; Karst ; Karstification ; Kentucky ; Puerto Rico ; Topographic map ; United States of America
China ; Dolina ; Estados Unidos ; Estudio comparativo ; Geomorfometría ; Guangxi ; Karst ; Karstificación ; Mapa topográfico ; Modelo numérico de terreno ; Puerto Rico
This study presented a quantitative comparison of cockpit and doline karst by examining the numbers and characteristics of typical types of landform entities that are developed in Guilin (Guangxi, China), La Alianza (PR, USA), Avalton (KY, USA