CHAPTER 1 LITERATURE REVIEW 1.1 SMALL HYDROPOWER (SHP) AAAAAAA 1. Powers et al (1985) did an assessment study on the fishway development and design. Method of water control and the degree and type of water control were formed the basis to classify fish passes. Swimming speed of the fishes was related to their lengths for designing the fish passes. Energy required by the fishes upstream was determined for three scenarios: (i) passing through the pools in fishways (ii) ascending a sloping channel like waterfall or spillway (iii) jumping over a weir or waterfall. [23] 2. Kamula et al (2000) studied the effects of modifications on the hydraulics of Denil fishways. The location of the highest velocities in the cross section of Denil fish passes was determined to be on the sides and not in the center. Since there is a non- uniform flow in the fish passes hence the velocities are not symmetrically distributed along the mid-axis. The plots for dimensionless discharge for the studied designs and for the standard Denil pass were found to be almost parallel to each other. The topmost portion of the Denil fishpass is subjected to higher velocities so must be designed accordingly. [24] 3. Boubée et al (2003) studied the downstream migration and passage technologies for diadromous fishes in the United States and New Zealand. Intake screens in the form of rotating drums have been the most
“Guide to Personal Watercraft.” National Parks and Conservation Association (Internet site at www.npca.org). Retrieved 14 Sept. 2000. (The article includes research by the Environmental Protection Agency; Dr. Joanna Burger, professor of biology at Rutgers University, and Dr. Ken Cordell, wildlife expert at the University of Georgia.)
Over the last few years, the rivers edge is getting more & more crowded, as fishing pressure increases so does the amount of lures the fish will see in a day. Trying new methods of fishing can sometimes prove to be rewarding.
The Impact of Hydropower Dams on California's Populations of Anadromous Fish: What Can be done to mitigate the Dams Effects and Restore California's Watersheds.
Spring- The simplest lures that you want to be using in the spring are “tubes,
“Just about any pool will contain native trout, but they disappear quickly when they see you or sense your footsteps. If you are fishing, use a red worm, walk softly, and remain hidden as you let the worm bounce down the stream into a pool or past an eddy. If you catch one, wet your hands before removing the hook so that you do not remove the fish’s protective mucous coating when you release it.”
They also block travel of important nutrients and natural materials which are important for wildlife growth. Another significant impact is the upstream river section becoming a larger slack-water reservoir, which changes in temperature, oxygen levels and physical properties, ultimately modifying the wildlife species habitats.
Another assumption we used was amid the calculation of the current pipeline amongst D and E. It was demonstrated that there was a prerequisite to convey an extra stream, and accordingly a new pipeline (looped) was required. A diameter was to be assumed for the new parallel pipeline. After two unsuccessful attempts with diameters of 0.3 m and 0.35 m, our third diameter of 0.38 m, successfully carried the additional flow rate of
Jason studied the movement and habitat use of the federally threatened Gulf sturgeon within the Escambia, Choctawhatchee, and Apalachicola River systems in northern Florida. Gill nets were the primary mode of capture and ranged in size from 14-inch-mesh to experimental. Length and weight were recorded for each individual prior to release. Additionally, select fish were tagged for mark/recapture and telemetry using a suite of active and passive tagging techniques.
Many anglers are reluctant to troll for fear of hanging up on the bottom and losing expensive gear. With a little effort this can be avoided. With the water level down to the existing river, it can be seen that there are very few trees in the actual river channel. The river was flowing long before the old lake was developed. This constant water flow washed away standing trees and prevented new growth. This should indicate that the river channel, all the way to the dam, is free and clear of snags. The old dam was built in 1926 to create the original lake. Throughout time, the flooded timber will break down and decompose. This should allow anglers to safely troll over the original lake and river channel without losing gear. Anglers with GPS units may map the river channel and depth finders are an important bit of equipment. Meanwhile, shore anglers who make the long walk down to the water are finding catfish with the standard baits, such as shad, mackerel, and chicken liver. Near the Hwy 49 bridge has been a popular spot and young Preston Berhorst, of Escalon, caught a 6-pound catfish with frozen shad bait. Those with four-wheel drive are still getting out of Glory Hole Point and night anglers are picking up a variety of species by using submersible lights and live
Hydroelectric is a form of energy it is a renewable resource. Hydroelectricity is the most important and widely used renewable source of energy. Hydroelectric relies on water, which is clean and renewable energy source. Renewable energy comes from natural resources. Non-Renewable energy source includes coal, oil and natural gas. Water is renewable because water continually recycles itself. To harness energy from flowing water, the water must be controlled; a large reservoir is created, usually by damming a river to create an artificial lake or reservoir. Water is channeled through tunnels in the dam. The energy of water flowing through the dam causes the turbines to turn and make the
As I sat next to the loud river that was bursting out of the Sylvan Dam, I noticed the water was in an invariable battle with the rocks, crashing and thrashing against each other like medieval warriors scraping for land. I looked around the edges of the river to see the copiousness of colors from the trees contrasting the sinister blue water. The rapids put off a pleasant and dulcet sound that ultimately ended in me having to relieve some building pressure down the trail. After returning to my riverside view, I noticed that farther down the gleaming river, fish were jumping and flipping like delicious pancakes on a griddle. Making the split-second decision to fish, I sprinted to my 1999 black Chevy Silverado, unlatched the tailgate and snatched all of my waterproof fishing gear. Slipping on my Mossberg max 4 Camo Gander Mountain guided series waders is no easy chore. While looking like the most incapable human being ever I finally managed to slip on the foul scum smelling waders that I so dearly should have washed. Feeling like a professional mountain climber, I started scaling the steep inclement of the river bank. Stomping my insulated waders into the frigid dour murky water, I ventured my path out onto a construction of rocks forming a beautiful approach for spotting fish. I released my light green jointed shad Rapala from my St. Croix Legend Elite spinning rod and casted the shad into pooling backwater just off of my rocky approachment. Feeling the vibration of the shad through my rod, smacking against slime covered rocks and ripping through dense weedy areas. I felt aspirant to not get hung up on a rock resulting in a line break, I successfully retrieved my lure. After casting and reeling my line several times and just started zoning out, I was abruptly startled to hear a ruckus coming from the west side embankment. Glancing quickly back to the water to see where my lure was only to hear a loud splash coming from the same place where I first noticed the ruckus. Three deer, with golden brown fur coated enrolled into the water. Realizing that the leaders of the small herd were both doe’s and a younger buck eagerly followed. The buck had a nice six-point rack, with long tines and a wide spread. He kept his
Hydroelectric power plant is one of the major power plants all over the world in order to create electricity. It is also one of the best renewable energy sources on the planet earth. In ranking, Canada is the third largest country to produce hydroelectricity power. The efficiency of this power source is 90% and this is very impressive as the percentage of efficiency is very high. Hydro power plants generate 24% of the world’s electricity. More than 1 billion people are associated with hydro power plants as they use the power supply from hydro power plants.
A level pool routing experiment was carried out to determine the adequacy of results obtained through simulated flood routing. The experiment yielded experimental results from which calculations of inflow; storage and discharge over a weir were obtained. The Energy Grade line from the tank to the pipe outlet was observed as well as the relationship between the tank discharge to the square root of height. Noted from this was that height was the driving force of flow from the tank.
environment, we as fish start moving to different areas and the whole side of the lake
In this paper the submerged flow through radial gates with and without a gate sill was experimentally investigated. The effect of different gate sill heights on contraction coefficient, discharge coefficient, submerged jump length, backup water depth, flow energy dissipation, and velocity distribution with different hydraulic parameters were analyzed and graphically presented. A combination of dimensional and regression analysis tools was employed to develop reliable formulas for estimating the studied parameters. This paper concluded the negative influence of sills under submerged radial gates and justified the local scour phenomena occurred immediately downstream the stilling basin of some existing submerged radial gates with a gate sill in Egypt.