Tagnone
{{Short description|River in the department of Haute-Corse, Corsica}}
{{Infobox river
| name = Tagnone
| name_native =
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| image = Vallon du Tagnone.jpg
| image_size =
| image_caption = Tagnone valley
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| pushpin_map = Corsica#France
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| subdivision_type1 = Country
| subdivision_name1 = France
| subdivision_type2 = Region
| subdivision_name2 = Corsica
| subdivision_type3 = Department
| subdivision_name3 = Haute-Corse
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| mouth = Tavignano
| mouth_location = Aléria
| mouth_coordinates = {{Coord|42.10454| 9.50606|display=inline,title}}
| mouth_elevation =
| progression = {{RTavignano}}
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The Tagnone is a small river in the department of Haute-Corse, Corsica, France.
It is a tributary of the river Tavignano.
Course
The Tagnone is {{convert|35.14|km}} long.
It crosses the communes of Aghione, Aléria, Pietroso and Vezzani.{{sfn|Le Tagnone, Sandre}}
The Tagnone rises in the commune of Vezzani to the northeast of the {{convert|1532|m}} Punta Paglia.
It run east past the village of Vezzani, then runs in a generally southeast direction to its confluence with the Tavignano south of Aléria, near the mouth of the Tavignano on the Tyrrhenian Sea.
The D343 road follows the Tagnone for much of its course.{{sfn|Relation: Le Tagnone (7391161)}}
Valley
The Tagnone valley lies between the Tavignanu and Fium'Orbu valleys.
It is smaller than these valleys and more isolated.
The head of the valley is the ridge that connects the {{convert|824|m}} Punta della Pinghella to the {{convert|1524|m}} Punta Paglia.
To the north the valley is flanked by relatively low slopes.
To the south it is separated from the Fium'Orbu valley by a line of heights that are above {{convert|1000|m}} high until the edge of the coastal plain.{{sfn|3.12 - Vallées du Tavignanu...|p=6}}
The villages of Vezzani and Pietroso cling to the slopes in the upper part of the narrow valley.{{sfn|3.12 - Vallées du Tavignanu...|p=14}}
The environment on the north-facing slopes favors forestry, and laricio pines of the Rospa-Sorba national forest grow on the foothills of Punta Paglia above the villages.
The valley floor is not wide and flat enough for agriculture, which is confined to terraces around Vezzani, Pietroso and a few hamlets.
The slopes and river banks are covered by maquis shrubland.
There are some traces of copper mining beside the RD343.{{sfn|3.12 - Vallées du Tavignanu...|p=14}}
Hydrology
The river has been measured at Aghione [Pont RD443] from 2018 to 2021.
At this point it has a basin of {{convert|66|km2}}.
The maximum instantaneous flow was recorded on 1 November 2018 as {{convert|67.7|m3/s}}.
The maximum daily flow was record on 24 January 2020 as {{convert|16.3|m3/s}}.{{sfn|Le Tagnone à Aghione [Pont RD443]}}
Tributaries
The following streams (ruisseaux) are tributaries of the Tagnone (ordered by length) and sub-tributaries:
{{cols|colwidth=20em|rules=yes}}
- Codolo {{convert|9|km|abbr=on}}
- Puzzichello {{convert|8|km|abbr=on}}
- Spallina {{convert|2|km|abbr=on}}
- Caselle {{convert|2|km|abbr=on}}
- Don Carlo {{convert|1|km|abbr=on}}
- La Bacciana {{convert|7|km|abbr=on}}
- San Salvadore {{convert|2|km|abbr=on}}
- Barello {{convert|4|km|abbr=on}}
- Alziccia {{convert|2|km|abbr=on}}
- Botte {{convert|4|km|abbr=on}}
- Santa Maria {{convert|4|km|abbr=on}}
- Samuleto {{convert|4|km|abbr=on}}
- Aghione {{convert|3|km|abbr=on}}
- Forcalo {{convert|3|km|abbr=on}}
- Pietra Piana {{convert|3|km|abbr=on}}
- Le Vieux Tagnone {{convert|3|km|abbr=on}}
- Forci {{convert|2|km|abbr=on}}
- Lojani {{convert|2|km|abbr=on}}
- Bicolani {{convert|2|km|abbr=on}}
- Catastajo {{convert|2|km|abbr=on}}
- Vetrice {{convert|2|km|abbr=on}}
- Affitte {{convert|1|km|abbr=on}}
{{colend}}
Notes
{{notes}}{{reflist|25em}}
Sources
{{refbegin}}
- {{citation |url=http://www.corse.developpement-durable.gouv.fr/IMG/pdf/3-12-Vallees_du_Tavignanu_de_Tagnone_et_de_Fium_Orbu.pdf |accessdate=2021-12-19 |language=fr
|chapter=3.12 - Vallées du Tavignanu, de Tagnone et de Fium'Orbu |ref={{harvid|3.12 - Vallées du Tavignanu...}}
|publisher=Direction régionale de l’environnement, de l’aménagement et du logement |year=2013 |title=Atlas des paysages de la region Corse}}
- {{citation |url=http://www.hydro.eaufrance.fr/presentation/procedure.php |accessdate=2021-12-19 |language=fr |ref={{harvid|Le Tagnone à Aghione [Pont RD443]}}
|title=Le Tagnone à Aghione [Pont RD443] |work=eaufrance|publisher=Ministère de l'Ecologie, du Développement Durable et de l'Energie}}
- {{citation |url=https://www.sandre.eaufrance.fr/geo/CoursEau_Carthage2017/Y9110500 |accessdate=2021-12-19 |language=fr
|title=Le Tagnone |work=Sandre |ref={{harvid|Le Tagnone, Sandre}} }}
- {{citation |url=https://www.openstreetmap.org/relation/7391161 |accessdate=2021-12-19
|title=Relation: Le Tagnone (7391161) |work=OpenStreetMap |ref={{harvid|Relation: Le Tagnone (7391161)}} }}
{{refend}}
{{Rivers of Haute-Corse}}
{{authority control}}
{{DEFAULTSORT:Tagnone}}