Houzhai catchment
WebUnderstanding how karst aquifers store and transmit water and contaminants is an ongoing problem in hydrogeology. Flowpath and recharge heterogeneity contribute to the … Web10 de dez. de 2024 · The key factors that could affect spatio-temporal variability of SOC in Houzhai catchment included the soil types, land utilisation, and major environmental …
Houzhai catchment
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Web31 de jul. de 2014 · Annual nitrate flux from the outlets accounted for 14.2% of applied total fertilizers used in the catchment, approximately 85% of total transported flux from the … Web24 de abr. de 2024 · Understanding how karst aquifers store and transmit water and contaminants is an ongoing problem in hydrogeology. Multiple flow paths and recharge …
Web24 de abr. de 2024 · Based on a chemical mass balance, the weathering rate of carbonate rocks in the Houzhai catchment was estimated to be approximately 133 t/km2/year or … WebThe catchment has a population density of approximately 400 people per km², with 95% of inhabitants living in agricultural areas (Yue et al., 2015). The Houzhai catchment is also a Fig. 1. The Houzhai catchment and its wider geographic setting, with land use and the land boundaries of study villages; CQ=Chenqi, HZ = Houzhai, JH=Jinhe,
Web18 de dez. de 2024 · The patterns of spatio-temporal variability of the soil organic carbon (SOC) stored in karst catchment were investigated, to provide a scientific basis for estimating SOC storage in karst regions and selecting technical measures for soil carbon sequestration. In this paper, field sampling, laboratory measurement, geostatistics, and … Web2 de jul. de 2024 · The Houzhai catchment is also a D.M. Oliver, et al. Agriculture, Ecosystems and Environment 288 (2024) 106715 particularly useful catchment to …
Web11 de out. de 2024 · Karst areas cover 2200 km 2 and account for 15% of the earth’s land. About 25% of the drinking, agricultural and industrial water on earth is supplied by karst aquifers [5,10,11].China has the largest karst area in the world, which accounts for 25% of the global karst area [].The sinkholes, shafts and fissure structures in karst areas allow …
Web14 de set. de 2024 · EEGS-26-02-08_1XO. July 8, 2024. 9:3. Barna, Fryar, Cao, Currens, Peng, and Zhu crystal webster ubcWeb11 de ago. de 2016 · The Houzhai catchment has a similar type of plants and cultivation to the upper reaches of Xi River. In comparison to other river systems, the δ 13 C values of the samples are generally lower than that of the Indus, Colorado and St. Lawrence Rivers which frequently exchange C with atmospheric CO 2 due to the presence of lakes and dams [ 5 … crystal webster meridian community collegeWeb14 de set. de 2024 · EEGS-26-02-08_1XO. July 8, 2024. 9:3. Groundwater Variability in Houzhai Basin. Figure 2. Houzhai catchment map with monitored karst features (letters refer to locations in Table 1), inferred ... crystal webster springfield mohttp://eprints.gla.ac.uk/208929/7/208929.pdf dynamics 365 business eventsWebHouhai (Chinese: 后海; pinyin: hòuhǎi 'Rear Lake') is a lake and its surrounding neighborhood in Xicheng District of central Beijing, China.Houhai is the largest of the … crystal web storeWeb24 de out. de 2024 · Yue et al. studied the similar karstic agricultural field in the Houzhai catchment, Guizhou Province, Southwest China recently. That research state that approximately 85% of nitrate transport occurs during the wet season by isotope analysis of 15 N and 18 O in NO 3 − , which result is in great accordance with our research (Yue et … crystalwebshopWeb8 de nov. de 2024 · In the present study, the change in water quality of a karst reservoir, the Muzhu Reservoir in the Houzhai Catchment, was studied. Long-term monitored datasets (1981–2002) and water quality datasets of more recent years were used to assess the effect on the water quality of reservoir expansion from the underground reservoir to the surface … crystal websites ireland