View ECCC Data Mart (English) (English, HTML)

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Publisher-reported update

2022-12-13

Weekly precipitation quantity has been measured at both at the primary meteorological site as well as at five other sites within the watershed. Daily precipitation quantity has been measured at the primary meteorological site until 2017. Weekly chemistry analysis of H+, major ions, nutrients and some metals was measured at the primary site (1981-2019) as well as a throughfall site (precipitation passing through a forest canopy) located at the headwater lake, Batchawana Lake (1993-2019). Supplemental Information Intensive monitoring of meteorology, atmospheric deposition, hydrology and water chemistry within the TLW has permitted determination of water, ion, and nutrient budgets for both its terrestrial and aquatic components. The data permit detection of ecosystem trends and inference of cause. The health and status of both the terrestrial and aquatic biological communities (species distributions, production, standing stocks, etc.) have been determined also. Specific hydrological research questions such as the definition of water pathways during snowmelt have been considered. Hydrological, chemical and biological models have been developed and validated using TLW data and these…

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