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Alkalinity is commonly used to indicate a water body’s capacity to buffer against acidity; that is, the ability to resist, or dampen, changes in pH. Thus, alkaline compounds in water, such as bicarbonates, carbonates, and hydroxides, lower the acidity of the water and increase the pH. Alkalinity (as CaCO3) was analysed for all sampling stations available at the continental level. Concentrations remained reasonably steady between the two decades for Africa, Asia, South America and Australasia, but significant increases were noted for European and North American rivers, which may indicate a shift towards reduced acidic impacts at the continental scale. Overall, during the last 30 years , alkalinity has decreased in North America and Europe, but has significantly increased in Asia. Examination of the outflow stations in 82 monitored river basins indicate a decrease in bicarbonate concentrations between the two decades , in the northern latitudes, including North America, Europe and Asia. For the period 1976-1990, European rivers displayed the highest concentrations of calcium at a continental level, with concentrations varying between 2 mg and 50 mg per litre for major rivers. Comparing the two decades, observations of surface water showed an increase in calcium concentrations in the Laurentian shield region of North America, and in the rivers of the north central European region.
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This photo has been graciously provided to be used in the GRID-Arendal resources library by: Philippe Rekacewicz, February 2006
Quick-Look Hill-shaded Colour Relief Image of 2014 1m LIDAR Composite Digital Terrain Model (DTM).
Data supplied by Environment Agency under the Open Government License agreement. For details please go to: www.nationalarchives.gov.uk/doc/open-government-licence/v...
For full raster dataset go to: environment.data.gov.uk/ds/survey
This rock was named the Virgin Rock by early explorers, who could see an image of the Virgin Mary and child in the rock. Weathering has now faded the shape of the child, yet the Virgin Mary is still distinguishable. The local community has installed lights that come on at night and highlight the rock and its features.
Four LNG terminals are approved for construction in the Great Barrier Reef World Heritage Area, leading to direct criticism from the World Heritage Committee monitoring mission that “the decisions that were taken to proceed with approvals based on offsetting therefore appear to not correspond to an agreed approach within the World Heritage Convention.
The anti fracking campaign here in the u.k. Is a real concern not only to people living close to a fracking site, it will affect the whole of the u.k. If it all goes terribly wrong, shale gas extraction could have a catastrophic effect upon the environment - your environment.
So please don't dismiss these protestors as cranks they are but a growing section of the community who should be taken notice of.
Here's a shot from behind the front line of protestors.
"Go green no fracking"
Follow the links for more information about fracking.
www.independent.co.uk/news/uk/home-news/north-yorkshire-f...
www.thelancasterandmorecambecitizen.co.uk/news/national/1...
This piece started out as a piece of discarded nail art. It would have hung on the wall vertically, and there would have been a little vase underneath the "flowers". I made an environment for a Fisher Price spaceman (or hazmat tech) and a fat little bee - they live in a world of rocks and flowers.
Quick-Look Hill-shaded Colour Relief Image of 2014 0.50m LIDAR Composite Digital Surface Model (DSM).
Data supplied by Environment Agency under the Open Government License agreement. For details please go to: www.nationalarchives.gov.uk/doc/open-government-licence/v...
For full raster dataset go to: environment.data.gov.uk/ds/survey
Turkey vultures fly above the Norris Farm Landfill in Dundalk, Md., during the National Audubon Society's 117th annual Christmas Bird Count in Baltimore County, Md., on Dec. 31, 2016. (Photo by Will Parson/Chesapeake Bay Program)
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Quick-Look Hill-shaded Colour Relief Image of 2014 1m LIDAR Composite Digital Surface Model (DSM).
Data supplied by Environment Agency under the Open Government License agreement. For details please go to: www.nationalarchives.gov.uk/doc/open-government-licence/v...
For full raster dataset go to: environment.data.gov.uk/ds/survey
Quick-Look Hill-shaded Colour Relief Image of 2014 25cm LIDAR Composite Digital Surface Model (DSM).
Data supplied by Environment Agency under the Open Government License agreement. For details please go to: www.nationalarchives.gov.uk/doc/open-government-licence/v...
For full raster dataset go to: environment.data.gov.uk/ds/survey
Quick-Look Hill-shaded Colour Relief Image of 2014 2m LIDAR Composite Digital Surface Model (DSM).
Data supplied by Environment Agency under the Open Government License agreement. For details please go to: www.nationalarchives.gov.uk/doc/open-government-licence/v...
For full raster dataset go to: environment.data.gov.uk/ds/survey
Huddersfield-Oldham road, close to Standedge Cutting with Uppermill in the valley. View of road, hills and buildings.
More information will be added to the images as we receive it and can access the newspapers. In the meantime, please help us know if you have any information to add such as location. Thank you.
Premier Christy Clark today introduced the team providing government with expert advice and recommendations as British Columbia begins developing a new climate action plan that will build on its climate successes.
Learn more: www.newsroom.gov.bc.ca/2015/05/bc-names-climate-leadershi...
Rowan had a geode kit in storage for a while that he had gotten as a gift in the past, and he finally opened them up outside! The results were quite pretty!
Geodes are lovely and fascinating, but we should also consider the environmental impacts of geode mining:
magpierose.com/blogs/news/the-environmental-impact-of-geo...
Quick-Look Hill-shaded Colour Relief Image of 2014 0.50m LIDAR Composite Digital Surface Model (DSM).
Data supplied by Environment Agency under the Open Government License agreement. For details please go to: www.nationalarchives.gov.uk/doc/open-government-licence/v...
For full raster dataset go to: environment.data.gov.uk/ds/survey