Environment and Climate Change Canada

In situ observations of snow water equivalent (SWE) from manual snow surveys and automated sensors are made at ~1000 sites across Canada in support of water resource planning for flood control and hydroelectricity production. These data represent an important source of information for research...

The Alberta foothills are a primary source of spring runoff into the prairie regions to the east. For this reason, precipitation accumulations in the foothills are vital to prairie water resources. The Foothills Orographic Precipitation Experiment (FOPEX) was initiated in 2002 to study the...

NAV CANADA (NC) provided Environment and Climate Change Canada (ECCC) with automated minutely weather observations from six select AWOS stations (i.e. airport locations) in southern Ontario as an experimental, proof-of-concept program in support of the 2015 Games. The minutely data were at a...

The high spatial and temporal resolution network was comprised of new automated land- and marine-based weather stations, and additional experimental monitoring platforms. Environment and Climate Change Canada (ECCC) designed the Mesonet to monitor weather at the venues, while providing close...

Mesoscale boundaries have an important influence on mesoscale weather. They can trigger, enhance or inhibit convections and severe weather. They are also indicators of shifts in wind speed and direction, temperature and relative humidity, and can affect air quality and heat indices. Around the...

Four ground-based radiometers (ultraviolet radiation instruments) were deployed in the Greater Golden Horseshoe Area in support of the Games. They reported minute-by-minute observations of the ultraviolet (UV) component of sun exposure as defined by the Global Solar UV Index (UVI). The...

Lake Simcoe is located North of Toronto in Ontario, Canada and is a premier destination for tourists generating $200 million in revenue annually. Lake Simcoe is the 4th largest lake in Ontario with a surface area of 722 square kilometers and a watershed of 2900 square kilometers. Lake Simcoe has...

Substituted phenylamine antioxidants (SPAs) are used in the production of a variety of consumer products (lubricants, dyes, and polymers). Substituted phenylamine antioxidants (SPAs) increase the life of consumer products by preventing the chain reaction of free radical production initiated by...

Venlafaxine is an antidepressant and anti-anxiety drug that has been detected in municipal wastewater at low concentrations. To assess the potential of this compound to affect the survival, development and reproductive capacity of fish, we exposed Fathead minnow (Pimephales promelas) over a full...

Lake Ontario is the primary source of drinking water for millions of people. Undesirable taste and odour events may occur in late summer as a result of the release of two volatile organic compounds geosmin (trans-1,10-dimethyl-trans-9-decalol) and...

Acoustic Doppler Current Profiler(ADCP) data was collected during the summer months of 2017 in the Randle Reef area of Hamilton Harbor. The data is used to validate a three dimensional MIKE3-FM hydrodynamic and mud transport modeling system. The model is used to study the hydrodynamic...

The Flin Flon copper–zinc smelter is a site of concern as it has been the largest single source of atmospheric mercury emissions in Canada until operations ceased on July 1, 2010. The smelting and mining activities resulted in mercury contamination to the local environment. Elevated levels of...

Constructed wetland treatment systems (CWTSs) could provide a passive, low-energy strategy for mitigating risks associated with oil sands process-affected waters (OSPWs). Due to the large volumes (over 975 million m3), heterogeneous composition, and acute and chronic toxicity of OSPW, passive and...

Off shore waters of Georgian Bay rarely experience excessive nutrient concentrations however, small embayments such as Honey Harbour, North and South Bay have experienced oxygen depletion, increased total phosphorus, a decrease in water clarity and the presence of filamentous attached algae. Low...

Archived population trend estimates, based on data collected through the North American Breeding Bird Survey (BBS), for approximately 300 Canadian bird species. These archived estimates use data from Canadian BBS routes only, collected from 1970 through 2011. Trends are presented for species,...

As part of a three year study funded by Environment and Climate Change Canada and Natural Resources Canada (ecoENERGY Innovation Initiative, project UOSGQ963; http://www.nrcan.gc.ca/energy/funding/current-fundingprograms/eii/4985) data were gathered to assess and monitor water quality conditions...

The Canadian Breeding Bird Census (BBC) Database contains data for 928 breeding bird plot censuses representing all known censuses of breeding birds carried out in Canada during the period 1929–1993. The 928 records in the database represent 640 unique census plots located in all provinces and...

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Water quality in Canadian rivers indicators provide a measure of the ability of river water across Canada to support...

Canadian Wetlands Inventory (CWI) data for the Appalache region. Created according to the method developed by the Canadian Wildlife Service, Quebec Region. Between 2003 and 2007, the Canadian Wildlife Service, Quebec Region (CWS-QC) produced wetland maps for several sites in Quebec. This mapping...

The North Coast of British Columbia dataset is part of Environment and Climate Change Canada’s Shoreline Classification and Pre-Spill database. Shoreline segmentation data has been developed for use by the Environmental Emergencies Program of Environment and Climate Change Canada for...