Explain how spring and neap tides are created. Tides are created by the gravitational pull of the sun and moon. When the sun and moon align their gravitational pulls combine creating the highest high tides and the lowest low tides, also known as the spring tides. When the sun and moon are at 90° angles from one another their gravitational pulls are pulling in different directions, therefore the tides are minimized, also known as neap tides. b.
2.4.5 Tide Along with the waves, tides are other major types of phenomena that control the interactions between sea and coast. The tides are best known as the rise and fall of the sea around the edges of the land. The rise and fall of the tides may result in small scale and short term topographical changes on the beach. Hill (2004) found that small-scale beach erosion occurs when the tide rises while accretion occurs when it falls. In some coastal areas there is a regular pattern of one high tide and one low tide each day; this is a diurnal tide.
The Nile perch in Lake Victoria: Interactions between predation and fisheries. Ecological Applications, 7 (2): 653-664. Ogutu-Ohwayo, R. 1984. The Effects of Predation by Nile Perch, *Lates niloticus* (Linne) Introduced into Lake Kyoga (Uganda) in Relation to the Fisheries of Lake Kyoga and Lake Victoria. FAO Fisheries Report, 335: 18-41.
Further, the low conductivity of fresh rainwater is validated by frequent rainfalls combined with low temperature during the sampling period (wet season). This is probably due to low levels of particulates such as smoke, dust, and soot suspended in the atmosphere which dissolved in the rain droplets as it falls from the sky. This may also be related to the presence of particles of clay, organic components and other microscopic substances (Ovrawah and Hymone, 2001). In addition, the low turbidity in the rainwater samples can be associated with frequent rainfalls during the sampling period. Appiah (2008) studied the physicochemical analysis of roof run-off established that turbidity is affected by dry spell, and the longer the span of continuous rainfalls, the lower is the
Yet, as the waves travel inland, they develop to increasingly elevated statures as the profundity of the sea diminishes. A torrent is a progression of sea waves that sends surges of water, in some cases achieving statures of more than 100 feet (30.5 meters), onto arrive. These dividers of water can cause across the board demolition when they crash shorewards. Tsunami waves, otherwise called seismic ocean waves
Describe four factors that influence ocean currents. o Wind: it is the single strongest factor in the creation of surface currents. Strong winds moving across an expanse of water move the surface of the water. The strong winds are not random breezes. o Water Density: This is caused by the amount of salt in a body of water and its temperature.
Tidal energy is produced by the surge of water in the ocean during the rise and fall of tides. The rise and fall of tides are created by the combined effects of the moon sun and earth’s rotation. The timing and magnitude of tides are influenced by the alignment of the moon and sun. As there are different forces affecting tides they can act in different ways. For example, at certain times all of the forces would be in alignment and have the same gravitational pull.
The Moon controls tides, which is 71% of the Earth 's surface. The origin of this object has been a question for many years. The most believed theory for how the Moon formed is called the Giant Impact Theory. This theory shows that a mars sized object came into Earth 's orbit, resulting in a collision. This collision caused a piece of Earth and debris to break off.
When an object is submerged in water the buoyant force is F_b in the opposite direction of gravitational force Figure 1: Describes Archimedes principle of a solid object in water http://www.physics.rutgers.edu/ugrad/161/LabwmcorManualsPDF/DensityArchimedes/wm11corDensityArchimedesPrinciple.pdf F_b = ρ_water V_solid×g g=gravitational field, ρ_water = density of object M_(solid in water)=ρ_water × V_solid ρ_water=density of water , V_solid =volume of
PROBABILITY DISTRIBUTION FUNCTIONS IN RAINFALL ANALYSIS Sugandh Pratap Singh (2016CEW2427) INTRODUCTION Water is the source of all life on Earth. The total amount of water present on the earth is fixed and does not change. Rainfall intensities of various frequencies and durations are the basic input in hydrologic design. Precipitation frequency analysis is used to estimate rainfall depth at a point for a specified exceedence probability and duration. Rainfall frequency analysis is usually based on annual maximum series at a site (at-site analysis) or from several sites (regional analysis).