Napa ( English Napa River ) - a river in the districts of Napa and Solano , California , USA .
| Napa | |
|---|---|
| English Napa river | |
 | |
| Characteristic | |
| Length | 89 km |
| Swimming pool | 1103 km² |
| Water consumption | 5.9 m³ / s |
| Watercourse | |
| Source | |
| • Location | mount helina |
| • Height | 1141 m |
| • Coordinates | |
| Mouth | Karkines |
| • Location | Vallejo city |
| • Height | 0 m |
| • Coordinates | |
| River slope | 12.82 m / km |
| Location | |
| Water system | Pacific Ocean |
| A country |
|
| Region | California |
| Areas | Napa , Solano |
 - source  - mouth | |
Content
- 1 Geography
- 2 fauna
- 3 History
- 4 See also
- 5 notes
- 6 References
Geography
Napa originates on the slopes of Mount St. Helina in the territory of the National Park, far from any settlements. The general direction of the current is from north to south. Almost throughout its length, it feeds the waters of the , known for its grapes to the whole world [1] . The length of the river is 89 kilometers [2] . The average water flow rate is 5.9 m³ / s, the maximum - 741.9 m³ / s [3] . The height of the source is 1141 m above sea level. The catchment area is 1103 km². River slope - 12.82 m / km.
Large settlements on the river (from source to mouth): , St. Helina , , , , Napa , American Canyon . Below the city of Napa, the Napa River forms an estuary , flows into the , which is part of the San Pablo Bay , and that in turn is part of the San Francisco Bay . At the mouth of Napa is the city of Vallejo .
The river receives 47 tributaries [2] , the largest of them are and .
Fauna
In Napa, salmon live in noticeable amounts: chinook salmon , mykizha , coho salmon , chum salmon , sockeye salmon ; other fish - , white sturgeon [4] [5] ; A Canadian beaver lays on the shores [6] .
History
In 1976-1978, Francis Ford Coppola directed the film Apocalypse Today , which later became a cult. In several scenes, the Napa River portrayed the Mekong River [7] [8] .
In 1986, a occurred in Napa, as a result of which 3 people were killed, about 7,000 people were evacuated, about 250 houses were destroyed, the damage was estimated at approximately $ 100 million [9] . After this incident, in a hurry, the long-prepared project to protect coastal settlements from floods was finally implemented in a hurry - the [10] .
In 1992-1993, in the Napa estuary, they began to meet the jellyfish Maeotias marginata , which lives in the Black and Azov Seas, and probably got here together with the ballast water of sea vessels at the polyp or egg stage [11] .
In 2011, the US Environmental Protection Agency allocated $ 1.5 million to restore the ecology of the Napa River [12] .
See also
- California River List
Notes
- ↑ Jancisrobinson.com . www.jancisrobinson.com . Date of treatment January 19, 2019.
- ↑ 1 2 About the Napa River (English) (unavailable link) . fiesta.bren.ucsb.edu . Archived on May 5, 2009.
- ↑ Water Resources Data California Water Year 2004 . pubs.usgs.gov . Date of treatment January 19, 2019 , pp. 203-211
- ↑ Napa River Fishes . naparcd.org . Date of treatment January 19, 2019.
- ↑ Jonathan Koehler, Chad Edwards. Napa River Salmon Monitoring Program Spawning Year 2007 Report . www.napawatersheds.org . Date of treatment January 19, 2019.
- ↑ Christopher W. Lanman, Kate Landkist, Heidi Perryman, J. Eli Azarian, Brock Dolman, Richard B. Lanman, Michael M. Pollock. The historical range of beaver ( Castor canadensis ) in coastal California: an updated review of the evidence ( link not available) . nrm.dfg.ca.gov . Date of treatment January 19, 2019. Archived on August 19, 2018. (2013) p. 206
- ↑ Trivia Napa Valley - Napa Valley Film Commission (inaccessible link) . www.napanow.com . Date of treatment January 19, 2019. Archived on September 17, 2018.
- ↑ Coastal River Division-11 . www.warboats.org . Date of treatment January 19, 2019.
- ↑ Jay Goating. Recalling '86 while cleaning up after '05 (inaccessible link) . napavalleyregister.com . Date of treatment January 19, 2019. Archived on August 2, 2018.
- ↑ Kevin Courtney. Devastation of '86 'catalyst' for flood control project (inaccessible link) . napavalleyregister.com . Date of treatment January 19, 2019. Archived on August 2, 2018.
- ↑ Mills, CE; Sommer, F. Invertebrate introductions in marine habitats: two species of hydromedusus (Cnidaria) native to the Black Sea, Maeotias inexspectata and Blackfordia virginica , invade San Francisco Bay (Eng.) // Marine Biology: journal. - 1995. - Vol. 122 , no. 2 . - P. 279-288 . - DOI : 10.1007 / BF00348941 .
- ↑ Jennifer Huffman. EPA supports Napa River restoration efforts . napavalleyregister.com . Date of treatment January 19, 2019.
Links
- Napa River geonames.usgs.govv . Date of treatment January 19, 2019.
- Napa River Basin Limiting Factors Analysis . www.waterboards.ca.gov . Date of treatment January 19, 2019.