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  • Bioswales are now well established at the Ecotrust Building, 721 NW 9th Avenue in Portland.  The building's correct name is The Jean Vollum Natural Capital Center; tennants include Ecotrust and Patagonia.  This is a case study of Downtown Portland Sustainable Stormwater Facilities for students of Portland State University's Student Water Resources Group..
    Bioswales-Ecotrust-Building.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Spillway Dam 1 Bull Run.jpg
  • Forest plants in the Bull Run watershed near Mount Hood, Oregon.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Forest plants 1 Bull Run.jpg
  • The Bull Run River is active salmon habitat, Bull Run watershed near Mount Hood, Oregon.
    Bull Run River Oregon.jpg
  • Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond.  This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water.  This is the origin of Portland's drinking water.
    Mount Hood Bull Run Lake.jpg
  • Outlet valve at Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond. This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water. This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Valve Mount Hood Bull Run Lake.jpg
  • Path and forest plants in the Bull Run watershed near Mount Hood, Oregon.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Forest Plants and Path Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Stilling Basin Dam 1 Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.
    Steps Dam Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Spillway Gates Vertical Bull Run.jpg
  • Water level gauge and outlet valve at Bull Run Lake 968m (3,175ft). This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water. This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Gauge and Valve Bull Run Lake.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Dam 1 Gatehouse Bull Run.jpg
  • Forest plants in the Bull Run watershed near Mount Hood, Oregon.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Forest plants 2 Bull Run.jpg
  • Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond.  This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water.  This is the origin of Portland's drinking water.  Nikon D700, 24-70/2.8.
    Mt Hood Bull Run Lake Panorama.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  The spillway gates visible in this photo, added to the dam in 1955, increased the reservoir capacity from the original 8.8 billion gallons to 10 billion gallons.
    Spillway Gates Horizontal Bull Run.jpg
  • Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.
    Dam 1 Bull Run Watershed.jpg
  • Outlet valve at Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond. This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water. This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Mt Hood and Valve Bull Run Lake.jpg
  • Tailrace at Dam 1, a curved concrete gravity dam, constructed 1925-1929, in the 102-square-mile Bull Run watershed near Mount Hood, has a maximum reservoir capacity of 10 billion gallons, making it the primary contributor to the Portland Water System Distribution Area.  This is the origin of Portland's drinking water, which flows by gravity to the Mount Tabor reservoirs before entering the City's water distribution network.
    Red Tailrace Dam 1 Bull Run.jpg
  • Landscaped stormwater planter strip manages rain water from the "first flush" during a rainfall event.  Stormwater has filled the first chamber and is overtopping a weir and filling the second chamber.  Green streets collect stormwater runoff and route it through facilities like this planter where vegetation and soils filter pollutants before allowing water to soak into the ground.  These facilities replenish groundwater and enhance neighborhood green spaces.  Green streets require routine cleaning and maintenance.  This facility is on NE 47th Avenue at NE Davis Street in Portland, Oregon.
    Green-Street-Stormwater-Planter.jpg
  • Effective stormwater management in a dense urban area.  Swales and stormwater planters collect stormwater from roof downspouts, parking lot and street.  Appropriate vegetation filters out pollutants in the stormwater before it soaks into the ground, naturally recharging groundwater.  RiverEast Center Stormwater Management facility - a public-private stormwater management partnership (PPP) in Portland, Oregon.
    Roof-Downspout-and-Weir.jpg
  • A stormwater curb extension retrofit to an existing street.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Green-Street-NW-21st-Ave-East.jpg
  • Umbrella Plaza, Providence Portland Medical Office.  Designers: Vala Christensen Landscape Architects, KPFF Consulting Engineers, Michael Maiden Foundry.  NE 45th Avenue and Halsey Street, Portland, Oregon.
    Umbrella-Stormwater-Plaza.jpg
  • Umbrella Sculpture, stormwater swale and plaza, Providence Portland Medical Office.  Designers: Vala Christensen Landscape Architects, KPFF Consulting Engineers, Michael Maiden Foundry.  NE 45th Avenue and Halsey Street, Portland, Oregon.
    Umbrella-Stormwater-Sculpture.jpg
  • Pocket swale between street and sidewalk for stormwater management, Providence Portland Medical Office.  Designers: Vala Christensen Landscape Architects, KPFF Consulting Engineers, Michael Maiden Foundry.  NE 45th Avenue and Halsey Street, Portland, Oregon.
    Green-Street-Pocket-Swale.jpg
  • Effective stormwater management in a dense urban area.  Swales and stormwater planters collect stormwater from roof downspouts, parking lot and street.  Appropriate vegetation filters out pollutants in the stormwater before it soaks into the ground, naturally recharging groundwater.  RiverEast Center Stormwater Management facility - a public-private stormwater management partnership (PPP) in Portland, Oregon.
    Swale-and-Jogger-in-Rain.jpg
  • A stormwater curb extension retrofit to an existing street.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Green-Street-NW-21st-Ave-West.jpg
  • A stormwater curb extension retrofit to an existing street.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Weir-Stormwater-Curb-Extension.jpg
  • A stormwater curb extension retrofit to an existing street.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Green-Street-Weir-NW-21st-Ave-East.jpg
  • A stormwater curb extension retrofit to an existing street.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Green-Street-Planter-Fescue-BW.jpg
  • Landscaped stormwater planter strip manages rain water from the "first flush" during a rainfall event.  Stormwater has filled the first chamber and is overtopping a weir and filling the second chamber.  Green streets collect stormwater runoff and route it through facilities like this planter where vegetation and soils filter pollutants before allowing water to soak into the ground.  These facilities replenish groundwater and enhance neighborhood green spaces.  Green streets require routine cleaning and maintenance.  This facility is on NE 47th Avenue at NE Davis Street in Portland, Oregon.
    Storm-Water-Planter-First-Flush.jpg
  • Effective stormwater management in a dense urban area.  Swales and stormwater planters collect stormwater from roof downspouts, parking lot and street.  Appropriate vegetation filters out pollutants in the stormwater before it soaks into the ground, naturally recharging groundwater.  RiverEast Center Stormwater Management facility - a public-private stormwater management partnership (PPP) in Portland, Oregon.
    Swale-Jogger-and-Public-Path.jpg
  • Rainwater from a household roof gushes down a rain chain during a storm.  Rain chains are decorative alternatives to a downspout.  They make a water feature out of the conveyance of rainwater from the roof gutters down to a drain or to a storage container.  RRS BD700-L, RRS BH-55 PCL, RRS TVC-33, RRS LCF-10.
    Rain-Chain-and-Stormwater-Panorama.jpg
  • Rainwater from a household roof gushes down a rain chain during a storm.  Rain chains are decorative alternatives to a downspout.  They make a water feature out of the conveyance of rainwater from the roof gutters down to a drain or to a storage container.
    Rain Chain Downspout.jpg
  • Rounded river pebbles are used in swales and stormwater planters to protect filter media from erosive flow velocities.
    Rain-Garden-Detail-Pebbles.jpg
  • Effective stormwater management in a dense urban area.  Swales and stormwater planters collect stormwater from roof downspouts, parking lot and street.  Appropriate vegetation filters out pollutants in the stormwater before it soaks into the ground, naturally recharging groundwater.  RiverEast Center Stormwater Management facility - a public-private stormwater management partnership (PPP) in Portland, Oregon.
    Parking-Lot-Stormwater-Swale.jpg
  • A stormwater curb extension retrofit to an existing street.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Green-Street-Portland.jpg
  • Vegetation in this stormwater curb extension filters out pollutants in the stormwater before it soaks into the ground, naturally recharging groundwater.  Stormwater management facilities like this one are are also known as Green Street treatments.  NW 21st Avenue and Raleigh Street, Portland, Oregon.
    Green-Street-Planter-Grasses.jpg
  • A stormwater curb extension retrofit to an existing street on a slope (weirs).  Stormwater management facilities like this one are are also known as Green Street treatments.  East Burnside Street, Portland, Oregon.
    Stormwater-Curb-Extension-Storm.jpg
  • Rainwater from a household roof gushes down a rain chain during a storm.  Rain chains are decorative alternatives to a downspout.  They make a water feature out of the conveyance of rainwater from the roof gutters down to a drain or to a storage container.  RRS BD700-L, RRS BH-55 PCL, RRS TVC-33, RRS LCF-10. http://reallyrightstuff.com/WebsiteInfo.aspx?fc=125
    Rain-Chain-and-Stormwater.jpg
  • Vegetated Filter Strip treats rain water runoff from parking lot before it reaches a swale which in turn discharges the stormwater into a nearby stream.   Vegetated filter strips are now a widely accepted best management practice (BMP) for low impact development.  They work on the principle of contact time and therefore require low runoff velocities.  This is achieved by maintaining low-angled slopes and avoiding flow-concentrating features such as curbs.
    Vegetated-Filter-Strip.jpg
  • Double-crested Cormorants (Phalacrocorax auritus) perch on a drowned tree near Obsidian Butte, Sonny Bono Salton Sea Wildlife Refuge (EL -227ft).  This habitat for migratory birds is located along the course of the Pacific Flyway in the Imperial Valley of California.  Flooding by the Salton Sea has reduced the manageable area from 36,700 acres to 2,200 acres.  Dykes (dikes) now limit further encroachment.
    Water Bird Habitat.jpg
  • A public-private stormwater management partnership (PPP) - the first of its kind in Portland.  Runoff from the public street flows into a treatment swale on private property, where vegetation filters out pollutants before it soaks into the ground, naturally recharging groundwater.  RiverEast Center Stormwater Management facility in Portland, Oregon.
    Public-Private-Partnership-Stormwate...jpg
  • Green Roof at the Hamilton Building; SW 12th Avenue and Clay Street.  The roof is maintained and monitored by City of Portland Bureau of Environmental Services (BES).
    Green-Roof-2.jpg
  • Trapezoidal Flume on Green Roof.  This type of flume is well suited to monitoring runoff from Green Roofs because of its accurate flow measurement down to 1 gpm.  Hamilton Building, SW 12th Avenue & Clay Street, Portland, Oregon.  This roof is maintained and monitored by City of Portland Bureau of Environmental Services (BES).
    Trapezoidal-Flume-Rainwater-Gauge.jpg
  • Green Roof at the Hamilton Building; SW 12th Avenue and Clay Street.  The roof is maintained and monitored by City of Portland Bureau of Environmental Services (BES).
    Green-Roof-1.jpg
  • Rain Garden in Vera Katz Sidewalk Park, or Sliver Park,  is part of the building's storm water management and is fed by roof runoff.  The First Regiment Armory Annex, commonly known as the Portland Armory Building, at 128 NW 11th Avenue.  The building was renovated from 2002 to 2006 (to LEED Platinum certification) and now houses the Gerding Theater, used primarily by the theatre group Portland Center Stage.
    Rain-Garden-Planter.jpg
  • Students of Portland State University's Student Water Resources Group study details of an innovative stormwater management feature at the AIA Center for Architecture building.  This recently renovated building, formerly Mallory Stables Barn, at NW 11th Avenue and Flanders Street, Portland is now home to the American Institute of Architects.
    Students Study Stormwater
  • Scenic view of the Willamette River, bank full from spring snowmelt.  Looking south from George Rogers Park in Lake Oswego.  The concrete structure in the river was a log hoist built in 1905 by Crown Willamette Paper Company and operated until the 1920s.  More recently, the private owner abandoned an attempt to improve it as a residence and today it lies abandoned.
    Willamette-River-Log-Hoist-Lake-Oswe...jpg
  • Hiker at Bull Run Lake 968m (3,175ft), the highest reservoir in the Bull Run Watershed and celebrated for the high purity of its water.  This is the source of Portland's drinking water, and the beginning of its journey to Mt Tabor Reservoir.  Ricoh GR1v, 28/2.8. Agfa RSX200.
    Hiker at Bull Run Lake.jpg
  • Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond.  This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water.  This is the source of Portland's drinking water, and the beginning of its journey to Mt Tabor Reservoir.  Ricoh GR1v, 28/2.8. Agfa RSX200.
    Bull Run Lake and Mt Hood.jpg
  • Bull Run Lake 968m (3,175ft), with Mount Hood 3,424m (11,234ft) beyond.  This is the highest reservoir in the Bull Run Watershed and is celebrated for the high purity of its water.  This is the source of Portland's drinking water, and the beginning of its journey to Mt Tabor Reservoir.  Ricoh GR1v, 28/2.8. Agfa RSX200.
    Bull Run Lake and Mt Hood.jpg
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