{"title":"OZCAR-RI OHGE Strengbach Watershed OHGE Observatoire Hydro-G\u00e9ochimique de l\u0027Environnement - France","id":{"prefix":"https:\/\/deims.org\/","suffix":"26cfa0da-c5bc-489f-8490-beee0e79a9de"},"type":"site","created":"2013-12-09T21:17:58+01:00","changed":"2025-05-14T11:57:17+02:00","attributes":{"affiliation":{"networks":[{"network":{"name":"Critical Zone Collaborative Network (CZ Net)","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"fda96130-91b3-42e6-8c85-2b8879986070"}},"siteCode":null,"verified":false},{"network":{"name":"GERI","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"c3abdc60-49f1-49db-81fe-863b7dbb21d3"}},"siteCode":null,"verified":true},{"network":{"name":"ILTER","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"1aa7ccb2-a14b-43d6-90ac-5e0a6bc1d65b"}},"siteCode":null,"verified":true},{"network":{"name":"LTER Europe","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"4742ffca-65ac-4aae-815f-83738500a1fc"}},"siteCode":null,"verified":true},{"network":{"name":"LTER France","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"d8d9206f-b1bd-4f90-84b7-8c662d4235a2"}},"siteCode":"CZO_EU_FR_120","verified":true},{"network":{"name":"OZCAR RI","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"3439de4e-c64d-4a97-bed0-7e27fadbcb7b"}},"siteCode":null,"verified":true}],"projects":[{"label":"SoilTrEC","uri":"https:\/\/esdac.jrc.ec.europa.eu\/projects\/soiltrec"}]},"contact":{"siteManager":[{"type":"person","name":"Pierret Marie-Claire","email":"marie-claire.pierret@unistra.fr","orcid":"https:\/\/orcid.org\/0000-0001-8434-9792"}],"operatingOrganisation":[{"type":"organisation","name":"Universit\u00e9 de Strasbourg","url":null,"ror":"https:\/\/ror.org\/00pg6eq24"}],"metadataProvider":[{"type":"person","name":"Pierret Marie-Claire","email":"marie-claire.pierret@unistra.fr","orcid":"https:\/\/orcid.org\/0000-0001-8434-9792"}],"fundingAgency":null,"siteUrl":[{"title":null,"value":"http:\/\/ohge.unistra.fr"}]},"general":{"abstract":"The Strengbach Watershed is a granitic watershed (80ha) located in NE of France, in the Vosges Mountains at altitudes between 880 and 1150 m (omsl) and with highly incised side slopes (mean 15\u00b0).\r\nThis catchment is situated in a remote area lacking human activities except forest management.\r\nThe forest covers 90% of the area and corresponds about to 80% spruce (mainly Piceas Abies L.) and 20% beech (Fagus Sylvatica). \r\nThe climate is temperate oceanic mountainous.\r\nThe site is managed by Ecole et Observatoire des Sciences de la Terres (University of Strasbourg \/ CNRS-INSU-France).\r\n","citation":null,"relatedIdentifiers":null,"status":{"label":"Operational","uri":"http:\/\/vocabs.lter-europe.net\/elter_cl\/10772"},"yearEstablished":1986,"yearClosed":null,"relatedSites":null,"siteName":"OZCAR-RI OHGE Strengbach Watershed OHGE Observatoire Hydro-G\u00e9ochimique de l\u0027Environnement","shortName":"OHGE","siteType":"Stationary land-based site","protectionLevel":null,"landUse":null,"images":[{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/siteVP2.jpg","alt":"not defined"},{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/strengbach-watershed-ohge-observatoire-hydro-geochimique-de-lenvironnement-france_6087.png","alt":"not defined"}]},"environmentalCharacteristics":{"airTemperature":{"yearlyAverage":6,"monthlyAverage":null,"unit":"\u00b0C","referencePeriod":null},"precipitation":{"yearlyAverage":1400,"monthlyAverage":null,"unit":"mm","referencePeriod":null},"biogeographicalRegion":"continental","biome":"deciduous_forest","ecosystemType":[{"label":"Deciduous Forest","uri":null},{"label":"Forest","uri":null},{"label":"Rivers","uri":null},{"label":"Small rivers","uri":null},{"label":"Temperate coniferous forests","uri":null}],"eunisHabitat":[{"label":"Coniferous woodland (G3)","uri":null},{"label":"Woodland, forest and other wooded land (G)","uri":null}],"landforms":null,"geoBonBiome":["Terrestrial"],"geology":"The bedrock is mainly composed of Hercynian Ca-poor granite (315 \u00b1 7 Myr), which has been subjected to hydrothermal alterations of various levels with main hydrothermal alterations occurring 183,9 My ago. In addition to granite, which is heavily hydrothermally altered on the south-facing slope and less altered on the north-facing slope, small microgranite and gneiss bodies outcrop along the southern and northern slopes, respectively.","hydrology":"The mean annual discharge at the outlet for the 1986-2015 period is of about 750 mm (24.5 ls-1km-2) with variations ranging from 494 to 1132 mm\/yr. The outlet discharge varied between 1 l\/s up to 400 l\/s during high flow discharge corresponding particularly to rain events associated with snow melting periods.","soils":"brown acidic to ochreous podzolic soils.\r\nSoils of the watershed are brown acidic to ochreous podzolic and are generally roughly 1 meter thick. The soils are very coarsely grained, sandy and rich in gravel. Soil pH levels range from 3.5 at the surface to 4.5 at 1 m deep. ","vegetation":"The forest covers 90% of the area with approximately 80% of the area including spruce trees (mainly Piceas Abies L.) and of the area 20% supporting beech trees (Fagus Sylvatica). The catchment is used as a commercially managed forest and plantations range in age from 50 to 145 years. Forest decline related to acid precipitation was observed in the Strengbach Catchment in the 1980s."},"geographic":{"boundaries":"POLYGON ((7.1880952936763 48.211655697111, 7.188112949961 48.211670492383, 7.1881619339015 48.21170620714, 7.1883773600485 48.211762453027, 7.1887928260672 48.211888708378, 7.1893153113671 48.212158772402, 7.1895952881143 48.212239162377, 7.1898313427209 48.2123475482, 7.1901039346268 48.21250090188, 7.1904466638268 48.212748701899, 7.1907793605307 48.212994654087, 7.1910317124014 48.213142115056, 7.19130707503 48.213288758426, 7.1915966353353 48.213448115688, 7.1918214724817 48.213581130378, 7.1920452944219 48.213742821199, 7.1922658306478 48.213904628325, 7.1924706315117 48.214075806425, 7.1926914876296 48.21420014852, 7.1929218566989 48.214319746078, 7.1932138736603 48.214509855967, 7.1935442570096 48.214643524276, 7.1936722044948 48.214760149852, 7.1938408215143 48.214890752128, 7.1940229707529 48.215067138768, 7.1941497303343 48.215210243447, 7.1942409639204 48.215279704459, 7.1944616544697 48.215401846236, 7.1946716105601 48.215513353518, 7.1948525072375 48.215632502507, 7.1950401539247 48.215753614462, 7.1951094280675 48.215837073962, 7.1952858159364 48.215940960773, 7.1953992573633 48.216082334448, 7.1955284706687 48.216256194162, 7.1956507952455 48.216467751546, 7.1958211710044 48.216620319842, 7.1962363083451 48.216700296847, 7.1965989904239 48.216742481247, 7.1969893346088 48.216759446748, 7.1973493582509 48.216726817433, 7.197835557591 48.216746981012, 7.1983468673899 48.216792686927, 7.1985402903923 48.216779197995, 7.1989288486321 48.216732330191, 7.1993186310736 48.21670083937, 7.1994691819202 48.216728530224, 7.1997382488168 48.216754207444, 7.2000560615964 48.216729680976, 7.2003811486805 48.216713707279, 7.2006222061008 48.216760207279, 7.2009259942754 48.216725161927, 7.2011593884469 48.216716855515, 7.2016442278057 48.216761286227, 7.2020690617209 48.216838694813, 7.2023649936422 48.216911878489, 7.2025206651342 48.217045133184, 7.2028354870059 48.217148486955, 7.2032548427356 48.217281164595, 7.2035737897124 48.217353525847, 7.2039137804501 48.217359043061, 7.2044167333895 48.217341130043, 7.2048115146546 48.217289614968, 7.2051732540713 48.217071837938, 7.2058726145502 48.216747295964, 7.2062873812048 48.216450516174, 7.2068942056301 48.215834045224, 7.206991813681 48.215693972222, 7.2069508347643 48.215552229112, 7.20676640524 48.21538916093, 7.2061770546796 48.214819723933, 7.2058319646798 48.214378175232, 7.2053024124962 48.213896931915, 7.2049915732348 48.213264691196, 7.2047110250148 48.212640183108, 7.2046291014043 48.212026223888, 7.2042941008389 48.211958844419, 7.2037404938213 48.211960937838, 7.2029726835507 48.211756952632, 7.2027097838961 48.211642938643, 7.2018413701896 48.211334575085, 7.2014048337386 48.211275208592, 7.2004985063928 48.211111388627, 7.1996404622033 48.210767390437, 7.1992469373665 48.210627173118, 7.1983155857082 48.210314414599, 7.1976150228196 48.210002253741, 7.1967235895273 48.209818048016, 7.1962352163916 48.209604084257, 7.1957867785618 48.209353448877, 7.1952621183656 48.209180427579, 7.1945486563433 48.208705676746, 7.1940663515908 48.208484879488, 7.1935112843315 48.208343775102, 7.192879609484 48.208234030409, 7.1923023353019 48.208228099921, 7.1919611820486 48.20820717083, 7.1915040577923 48.208095625272, 7.1911063638682 48.208109748575, 7.1909920576873 48.208164479452, 7.1908287170195 48.20834873234, 7.1905484792686 48.208596619794, 7.1902834203918 48.208786686461, 7.1899769979263 48.208953986605, 7.1897012616759 48.2092171337, 7.1895066457729 48.209464181825, 7.189289020229 48.209712046246, 7.1889834911591 48.209932186449, 7.1887085303213 48.210080741238, 7.1884944766367 48.210249165016, 7.1883402834055 48.210424276585, 7.188286904714 48.210789684378, 7.1883309114209 48.211136214502, 7.1881944285204 48.211409837214, 7.1880952936763 48.211655697111))","coordinates":"POINT (7.196789 48.213914)","country":["France"],"elevation":{"avg":1000,"min":850,"max":1150,"unit":"msl"},"size":{"value":79.64,"unit":"ha"},"relatedLocations":[{"title":"Strengbach River","id":{"prefix":"https:\/\/deims.org\/locations\/","suffix":"0e8d06f3-535c-400e-a908-d32a0c3e2b41"},"changed":"2025-04-28T10:15:30+0200"}]},"focusDesignScale":{"experiments":{"design":"partly experimentation","scale":"plot scale"},"observations":{"design":"mainly observation","scale":"entire catchment"},"observedProperties":[{"label":"air humidity","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22032"},{"label":"air temperature","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22035"},{"label":"ammonium nitrate concentration","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/10072"},{"label":"atmospheric parameter","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/20937"},{"label":"base cations content in water","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/21208"},{"label":"chemical composition of water","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/21213"},{"label":"chemical parameter","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/10333"},{"label":"dissolved organic carbon in water","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/10307"},{"label":"electrical conductivity","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/21552"},{"label":"pH value of water","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/21218"},{"label":"rainfall variability","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/21948"},{"label":"solar radiation","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22284"},{"label":"surface runoff","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/21510"},{"label":"water acidity","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22030"},{"label":"water alkalinity","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/10303"},{"label":"water parameter","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/20945"},{"label":"water temperature","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22313"},{"label":"wind direction","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22317"},{"label":"wind speed","uri":"http:\/\/vocabs.lter-europe.net\/EnvThes\/22319"}]},"infrastructure":{"accessibleAllYear":false,"accessType":"dirt road  (4WD)","allPartsAccessible":false,"maintenanceInterval":14,"permanentPowerSupply":true,"operation":{"permanent":false,"notes":null,"siteVisitInterval":14},"notes":null,"collection":[{"label":"2 - 5 places","uri":null},{"label":"Central station(s)","uri":null},{"label":"Data portal","uri":null},{"label":"No lodging possible","uri":null},{"label":"No tower on site","uri":null},{"label":"Paper","uri":null},{"label":"Snow clearing equipment","uri":null},{"label":"Telephone line","uri":null},{"label":"XML database","uri":null}],"data":{"policy":{"url":null,"rights":null,"notes":null}}},"relatedResources":null,"projectRelated":{"lter":{"lterSiteClassification":"Master Site"}}}}