Artificial drainage of peatlands: hydrological and hydrochemical
... (1757) noted “Before draining and improving peat bogs…it will be necessary to examine the nature and properties of peat itself, which is in the nature of a sponge; for if a dry piece is put in water it will absorb double its weight”. However, we now know that many bog peats do not typically act like ...
... (1757) noted “Before draining and improving peat bogs…it will be necessary to examine the nature and properties of peat itself, which is in the nature of a sponge; for if a dry piece is put in water it will absorb double its weight”. However, we now know that many bog peats do not typically act like ...
Drainage - Citrus County Board of County Commissioners
... create runoff volumes exceeding these drainage features holding capacities, resulting in temporary high water levels. This periodic high water level (flood) is a naturally occurring event and has many beneficial effects in the cycle of the basin’s ecosystem. Flooding or high water levels are general ...
... create runoff volumes exceeding these drainage features holding capacities, resulting in temporary high water levels. This periodic high water level (flood) is a naturally occurring event and has many beneficial effects in the cycle of the basin’s ecosystem. Flooding or high water levels are general ...
Ecosystem services of wetlands: pathfinder for a new
... that is unknown, however, is the extent to which close proximity to water brought with it discomfort and health problems arising from disease vectors or contamination. In developed countries, economic development has led to major wetland loss and has meant that people have apparently become less dir ...
... that is unknown, however, is the extent to which close proximity to water brought with it discomfort and health problems arising from disease vectors or contamination. In developed countries, economic development has led to major wetland loss and has meant that people have apparently become less dir ...
tengard® sfr one-shot - Kelly Registration Systems
... leaks or significant exposures to persons occupying the structure. People present or residing in the structure during application must be advised to remove their pets and themselves from the structure if they see any signs of leakage. After application, the applicator is required to check for leaks. ...
... leaks or significant exposures to persons occupying the structure. People present or residing in the structure during application must be advised to remove their pets and themselves from the structure if they see any signs of leakage. After application, the applicator is required to check for leaks. ...
An estimation method of the direct benefit of a waterlogging
... accompanied by industrial structure adjustment and the disaster-bearing body is rapidly changing, so the total economic value and the disaster-bearing capacity will certainly change accordingly. In addition, the drainage-accepting zone may be a river, lake or sea, of which the water level generally ...
... accompanied by industrial structure adjustment and the disaster-bearing body is rapidly changing, so the total economic value and the disaster-bearing capacity will certainly change accordingly. In addition, the drainage-accepting zone may be a river, lake or sea, of which the water level generally ...
Tengard SFR Specimen FINAL
... leaks or significant exposures to persons occupying the structure. People present or residing in the structure during application must be advised to remove their pets and themselves from the structure if they see any signs of leakage. After application, the applicator is required to check for leaks. ...
... leaks or significant exposures to persons occupying the structure. People present or residing in the structure during application must be advised to remove their pets and themselves from the structure if they see any signs of leakage. After application, the applicator is required to check for leaks. ...
here - American Soybean Association
... What does the proposed rule say? • Would revise the existing administrative definition of “waters of the United States” in regulations consistent with legal rulings— especially the recent Supreme Court cases—and science concerning the interconnectedness of tributaries, wetlands, and other waters to ...
... What does the proposed rule say? • Would revise the existing administrative definition of “waters of the United States” in regulations consistent with legal rulings— especially the recent Supreme Court cases—and science concerning the interconnectedness of tributaries, wetlands, and other waters to ...
T-01 Grass Buffer - Urban Drainage and Flood Control District
... stabilizing channel banks adjacent to major drainageways and receiving waters. These areas can also sometimes serve multiple functions such as recreation. Hydrologic Soil Groups A and B provide the best infiltration capacity for grass buffers. For Type C and D soils, buffers still serve to provide f ...
... stabilizing channel banks adjacent to major drainageways and receiving waters. These areas can also sometimes serve multiple functions such as recreation. Hydrologic Soil Groups A and B provide the best infiltration capacity for grass buffers. For Type C and D soils, buffers still serve to provide f ...
Accra Ghana: A City Vulnerable to Flooding and - UN
... LECZ contains a land area of 191,000 square kilometers and a population of 56 million, which represent one and seven percent of the overall totals for Africa respectively. This is less than for Asia with 13 percent of its population in LECZs, and especially specific countries such as Vietnam with 55 ...
... LECZ contains a land area of 191,000 square kilometers and a population of 56 million, which represent one and seven percent of the overall totals for Africa respectively. This is less than for Asia with 13 percent of its population in LECZs, and especially specific countries such as Vietnam with 55 ...
3.A Natural Disturbances
... which affect those species dependent on temperature variations for reproduction or maturation. In places where irrigation water is stored, unnaturally low flows can occur and warm more easily and hold less oxygen, which can cause stress or death in aquatic organisms. Likewise, large storage pools k ...
... which affect those species dependent on temperature variations for reproduction or maturation. In places where irrigation water is stored, unnaturally low flows can occur and warm more easily and hold less oxygen, which can cause stress or death in aquatic organisms. Likewise, large storage pools k ...
Document
... FILLING - The deposition of natural or artificial material so as to modify the surface or subsurface conditions of upland or underwater land. GRADING - The excavation, filling or alteration of the surface or subsurface conditions of land, lakes, ponds, or watercourses. ILLICIT DISCHARGES - Illicit D ...
... FILLING - The deposition of natural or artificial material so as to modify the surface or subsurface conditions of upland or underwater land. GRADING - The excavation, filling or alteration of the surface or subsurface conditions of land, lakes, ponds, or watercourses. ILLICIT DISCHARGES - Illicit D ...
aquatic weed management upstream aswan reservoir in egypt
... 5-1 Methods of Controlling Aquatic Plants Upstream Aswan Reservoir 5-1-1 Biological control In Egypt, utilizing the biological control methods for controlling aquatic weed by using grass carp was adopted in irrigation networks (James, 1968; Khattab, and El-Gharably, 1989; Abdel- Meguid and Bakry, 20 ...
... 5-1 Methods of Controlling Aquatic Plants Upstream Aswan Reservoir 5-1-1 Biological control In Egypt, utilizing the biological control methods for controlling aquatic weed by using grass carp was adopted in irrigation networks (James, 1968; Khattab, and El-Gharably, 1989; Abdel- Meguid and Bakry, 20 ...
10.0 Variances - City of Woodland Park
... Colorado Department of Transportation [CDOT] etc.) and/or federal agencies (United States Army Corps of Engineers [USACE], United States Fish and Wildlife Service [USFWS], etc.). ...
... Colorado Department of Transportation [CDOT] etc.) and/or federal agencies (United States Army Corps of Engineers [USACE], United States Fish and Wildlife Service [USFWS], etc.). ...
xt150224 annex to de Mauley letter
... The Thames Tideway Strategic Study aimed to provide standards which ensure the long-term survival of fish and other biological life. Fish are useful indicators of the quality and health of the water environment. A 2012 review by a panel of experts found the Tideway standards for fish are a good surr ...
... The Thames Tideway Strategic Study aimed to provide standards which ensure the long-term survival of fish and other biological life. Fish are useful indicators of the quality and health of the water environment. A 2012 review by a panel of experts found the Tideway standards for fish are a good surr ...
stormwater utility
... systems and open channels are separate from the sanitary sewer system. The central portion of the city, which encompasses the other one-third, is served by a Combined Sewer System (CSS). The Department of Public Utilities operates and maintains the Combined ...
... systems and open channels are separate from the sanitary sewer system. The central portion of the city, which encompasses the other one-third, is served by a Combined Sewer System (CSS). The Department of Public Utilities operates and maintains the Combined ...
CHAPTER THREE - Southern California Wetlands Recovery Project
... devastating impacts on human activities. The most extensive hydromodifications in the region arose from efforts to control flood waters. Rivers and creeks were dammed, redirected, confined within levees, and lined with concrete. These “improvements” allowed urban and agricultural development to encr ...
... devastating impacts on human activities. The most extensive hydromodifications in the region arose from efforts to control flood waters. Rivers and creeks were dammed, redirected, confined within levees, and lined with concrete. These “improvements” allowed urban and agricultural development to encr ...
Hydrology and Water Quality of European Rivers
... The river runoff volume and temporal discharge distribution from the rivers of Europe are governed by factors that include local conditions of rainfall, snowmelt and retention capacity. The river flow regimes of large catchments can be different from those of small catchments. Large rivers are much ...
... The river runoff volume and temporal discharge distribution from the rivers of Europe are governed by factors that include local conditions of rainfall, snowmelt and retention capacity. The river flow regimes of large catchments can be different from those of small catchments. Large rivers are much ...
PDF
... have attracted international attention, including hurricanes Katrina and Sandy, floods in Thailand and the Indian Ocean tsunami. These disasters, along with countless more frequent disasters of smaller magnitude, have been responsible for the loss of at least a million lives over the last decade, wi ...
... have attracted international attention, including hurricanes Katrina and Sandy, floods in Thailand and the Indian Ocean tsunami. These disasters, along with countless more frequent disasters of smaller magnitude, have been responsible for the loss of at least a million lives over the last decade, wi ...
Definitions of “Waters of the United States”
... Waters of the United States or waters of the U.S. means: (a) All waters which are currently used, were used in the past, or may be susceptible to use in interstate or foreign commerce, including all waters which are subject to the ebb and flow of the tide; (b) All interstate waters, including inters ...
... Waters of the United States or waters of the U.S. means: (a) All waters which are currently used, were used in the past, or may be susceptible to use in interstate or foreign commerce, including all waters which are subject to the ebb and flow of the tide; (b) All interstate waters, including inters ...
Integrated stormwater management as a long term
... Stormwater is water generated from precipitation during rain and snowmelt events. Stormwater runoff is water flowing over land or impervious surfaces that does not percolate into the ground. As the runoff flows over the surfaces (such as paved streets, parking lots, and building rooftops) it also ac ...
... Stormwater is water generated from precipitation during rain and snowmelt events. Stormwater runoff is water flowing over land or impervious surfaces that does not percolate into the ground. As the runoff flows over the surfaces (such as paved streets, parking lots, and building rooftops) it also ac ...
IDENTIFYING AND VALUING THE FUNCTIONS OF FLOODPLAINS
... - Provision of Water to Terrestrial Vegetation ...
... - Provision of Water to Terrestrial Vegetation ...
Adaptation in the UK: a decision-making process - Technical Annexes (907 kB) (opens in new window)
... about the risks and opportunities we face, and the options available to us, and generate rules for action that respect our desire for consistency and basic rationality criteria. There is not however a single decision theory. Rather, there are many formalisms that make different assumptions about the ...
... about the risks and opportunities we face, and the options available to us, and generate rules for action that respect our desire for consistency and basic rationality criteria. There is not however a single decision theory. Rather, there are many formalisms that make different assumptions about the ...
Article 85: Dragonfly Naiads as an Indicator of Pond Water Quality
... was also characterized during 21 storm events, although due to drought, only three pond outflows were recorded. Average TSS concentrations to the pond were 125 mg/l, which are comparable to other sediment monitoring data in the Austin area for developed areas (LCRA 1991). Baseflow TSS concentrations ...
... was also characterized during 21 storm events, although due to drought, only three pond outflows were recorded. Average TSS concentrations to the pond were 125 mg/l, which are comparable to other sediment monitoring data in the Austin area for developed areas (LCRA 1991). Baseflow TSS concentrations ...
PART 6.4: DEVELOPMENT ENGINEERING This Part of the CDCP
... xii. Street trees represent an important asset of the street landscape and consideration must be given to the location of the street tree in relation to the proposed layout of the development - to ensure this it is a pre-lodgement requirement that a tree report be obtained from Council prior to the ...
... xii. Street trees represent an important asset of the street landscape and consideration must be given to the location of the street tree in relation to the proposed layout of the development - to ensure this it is a pre-lodgement requirement that a tree report be obtained from Council prior to the ...
Flood control
Flood control refers to all methods used to reduce or prevent the detrimental effects of flood waters. Flood relief refers to methods used to reduce the effects of flood waters or high water levels.