{"title":"OZCAR-RI M-TROPICS, Dong Cao - Viet Nam","id":{"prefix":"https:\/\/deims.org\/","suffix":"4af4e83b-e6e0-4a71-8ac2-09ef2f3a331b"},"type":"site","created":"2013-12-10T12:13:51+01:00","changed":"2024-03-04T09:24:21+01:00","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":"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_093","verified":true},{"network":{"name":"OZCAR RI","id":{"prefix":"https:\/\/deims.org\/networks\/","suffix":"3439de4e-c64d-4a97-bed0-7e27fadbcb7b"}},"siteCode":null,"verified":true}],"projects":null},"contact":{"siteManager":[{"type":"person","name":"Laurie BOITHIAS","email":"laurie.boithias@get.omp.eu","orcid":null},{"type":"person","name":"Olivier RIBOLZI","email":"olivier.ribolzi@get.omp.eu","orcid":null}],"operatingOrganisation":null,"metadataProvider":[{"type":"person","name":"Laurie BOITHIAS","email":"laurie.boithias@get.omp.eu","orcid":null},{"type":"person","name":"Olivier RIBOLZI","email":"olivier.ribolzi@get.omp.eu","orcid":null}],"fundingAgency":null,"siteUrl":[{"title":"M-TROPICS website","value":"https:\/\/mtropics.obs-mip.fr\/"},{"title":"M-TROPICS Twitter","value":"https:\/\/twitter.com\/mtropics_czo"}]},"general":{"abstract":"Dong Cao is a small agricultural catchment (47 ha) of northern Vietnam, located at 70 km from Hanoi, in a sloping land environment. The objective is to monitor the impacts of land use changes (from cassava to fodder and tree plantations) and possible climate changes upon hydrological and sedimentary fluxes and budgets. The catchment has an elevation of 125 m to 485 m and slopes range from 15 to 120%. Monitoring devices include an automatic meteorological station, and weirs to monitor discharge, suspended sediment and bedload. More information is available on https:\/\/mtropics.obs-mip.fr\/ and in the following paper:\r\nValentin, C., et al., 2008. Runoff and sediment losses from 27 upland catchments in Southeast Asia: Impact of rapid land use changes and conservation practices. Agric. Ecosyst. Environ. 128, 225\u2013238. https:\/\/doi.org\/10.1016\/j.agee.2008.06.004","citation":null,"relatedIdentifiers":null,"status":{"label":"Operational","uri":"http:\/\/vocabs.lter-europe.net\/elter_cl\/10772"},"yearEstablished":2001,"yearClosed":null,"relatedSites":null,"siteName":"OZCAR-RI M-TROPICS, Dong Cao","shortName":"M-TROPICS\/MSEC-Dong Cao","siteType":"Stationary land-based site","protectionLevel":null,"landUse":null,"images":[{"url":"https:\/\/deims.org\/sites\/default\/files\/photos\/MSEC-Catchments_0.png","alt":"not defined"}]},"environmentalCharacteristics":{"airTemperature":{"yearlyAverage":21.4,"monthlyAverage":null,"unit":"\u00b0C","referencePeriod":null},"precipitation":{"yearlyAverage":1777,"monthlyAverage":null,"unit":"mm","referencePeriod":null},"biogeographicalRegion":null,"biome":"agricultural","ecosystemType":[{"label":"Agricultural","uri":null}],"eunisHabitat":null,"landforms":[{"label":"Mountain","uri":null}],"geoBonBiome":["Terrestrial"],"geology":"Triassic schist","hydrology":"The torrential stream of the Dong Cao catchment supplies water to paddy fields located downslope and to a small reservoirs. The flow is permanent.","soils":"According to FAO soil classification (1998), the dominant soil type in the watershed is Ferralic Acrisol with a soil depth of approximately 1m. Some Cambisols and Fluvisols occur along the stream course.The main characteristics of these soils are: a heavy texture with clay contents around 50% and are rather porous with an average bulk density of 1.24 g cm\u00033.","vegetation":"The Dong Cao catchment is mainly covered with shrubland and grasses (52%), fodder grass (Brachiaria ruziziensis; 20%), tree plantation (Acacia mangium, 25%), and very limited annual crops (3%)."},"geographic":{"boundaries":"POLYGON ((105.48307 20.95433, 105.4831 20.95439, 105.48311 20.95444, 105.48314 20.95452, 105.48319 20.95459, 105.4833 20.95473, 105.48332 20.9548, 105.48338 20.95497, 105.48337 20.9551, 105.48336 20.95526, 105.48335 20.95539, 105.48333 20.95586, 105.4835 20.95598, 105.48356 20.95599, 105.48374 20.95603, 105.48402 20.95608, 105.48417 20.95611, 105.48437 20.95615, 105.48453 20.95621, 105.48469 20.95638, 105.48481 20.95646, 105.48485 20.95646, 105.48493 20.95647, 105.48501 20.95647, 105.48509 20.95647, 105.48518 20.95645, 105.48534 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