Kupa

Kupa / Kolpa

Kolpa at Prelesje (Slovenia)
Country Croatia, Slovenia
Basin features
Main source Razloge, Gorski kotar, Croatia
313 metres (1,027 ft)[1]
River mouth Sava, Sisak, Croatia
130 metres (430 ft)[1]
Basin size 10,032 km2 (3,873 sq mi)[2]
Physical characteristics
Length 297 km (185 mi)[3][4]
Discharge
  • Average rate:
    283 m3/s (10,000 cu ft/s)

The Kupa (Croatian and Serbian pronunciation: [kûpa]) or Kolpa (Slovene pronunciation: [ˈkóːlpa] or [ˈkóːwpa]; from Latin: Colapis in Roman times) river, a right tributary of the Sava, forms a natural border between north-west Croatia and southeast Slovenia. It is 297 kilometres (185 miles) long,[3] with its border part having a length of 118 km (73 mi)[1] and the rest located in Croatia.[5]

Course

In its upper course, the Kupa flows through the Dinaric Alps until exiting from Kočevski Rog and Ogulinsko zagorje.
In its lower course, the Kupa meanders through the plains of the Pannonian Basin.

The Kupa originates in Croatia in the mountainous region of Gorski Kotar, northeast of Rijeka, in the area of Risnjak National Park. It flows a few kilometers eastwards, receives the small Čabranka River from the left, before reaching the Slovenian border.

It then continues eastwards between the White Carniola region in the north and Central Croatia in the south. The Kupa receives influx from the river Lahinja from the left in Primostek, passes Vrbovsko, and eventually detaches from the Slovenian border having passed Metlika.

It then reaches the city of Karlovac, where it receives influx from two other rivers from the right, Dobra and Korana (which in turn is joined by Mrežnica). The Kupa continues flowing to the east, where it merges with Glina from the right as well as Odra from the left, and proceeds to the town of Sisak where it flows into the Sava River.

Pollution

Fairly unpolluted downstream to Karlovac, the upper Kupa is a popular place for bathing in summer. The section from Stari Trg down to Fučkovci since 2006 is part of the Slovenian Krajinski park Kolpa nature reserve.

The hydrological parameters of the Kupa are regularly monitored at Radenci, Kamanje, Karlovac and Jamnička Kiselica.[6]

References

  1. 1 2 3 "Reke, dolge nad 25 km, in njihova padavinska območja" [Rivers, longer than 25 km, and their catchment areas] (in Slovenian and English). Statistical Office of the Republic of Slovenia. 2002.
  2. ↑ Ostroški, Ljiljana, ed. (December 2015). Statistički ljetopis Republike Hrvatske 2015 [Statistical Yearbook of the Republic of Croatia 2015] (PDF). Statistical Yearbook of the Republic of Croatia (in Croatian and English). 47. Zagreb: Croatian Bureau of Statistics. p. 49. ISSN 1333-3305. Retrieved 27 December 2015.
  3. 1 2 "Main Hydrographic Features in the Sava River Basin". Sava River Basis Analysis Report (PDF). Zagreb: International Sava River Basin Commission. September 2009. p. 13.
  4. ↑ Ostroški, Ljiljana, ed. (December 2015). Statistički ljetopis Republike Hrvatske 2015 [Statistical Yearbook of the Republic of Croatia 2015] (PDF). Statistical Yearbook of the Republic of Croatia (in Croatian and English). 47. Zagreb: Croatian Bureau of Statistics. p. 49. ISSN 1333-3305. Retrieved 27 December 2015.
  5. ↑ Kolbezen, Marko; Pristov, Janko (1998). Površinski vodotoki in vodna bilanca Slovenije [Surface Streams and Water Balance of Slovenia] (PDF) (in Slovenian and English). Hidrometeorološki inštitut RS [Hydrometeorological Institute of the Republic of Slovenia]. p. 8. ISBN 961-6024-04-3.
  6. ↑ "Daily hydrological report". Croatian Meteorological and Hydrological Service. Retrieved 2010-09-05.

Coordinates: 45°27′36″N 16°24′08″E / 45.46000°N 16.40222°E / 45.46000; 16.40222

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