GCSE Geography| Topic 2| Water On The Land What are the Key Ideas for this Topic? The Shape of river valleys changes as the river flows downstream River Features & Landforms Storm Hydrographs Flooding in MEDC’s and LEDC’s Hard and Soft Strategies for River Management and Reservoirs The Shape of river valleys and River Processes A rivers long profile changes over its course. Every river has: An Upper Course Middle Course Lower Course Long Profile- shows how the gradient
Premium Hydrology Flood Surface runoff
Surface Tension My problem was to find out how to test or measure surface tension. I think the reason of some of the force in surface tension is cohesion and gravity. Surface Tension is the condition existing at the free surface of a liquid‚ resembling the properties of an elastic skin under tension. The tension is the result of intermolecular forces exerting an unbalanced inward pull on the individual surface molecules; this is reflected in the considerable curvature at those edges where the
Premium Water Liquid Atom
Term Report Microsoft Surface Table Acknowledgements We would like to express our deepest appreciation for our professor‚ Dr. Michael Kamins. It would have been practically impossible for us to pursue this project without his invaluable advice and guidance. We would also like to thank our classmates for encouraging us during our presentation and providing great advice to improve our project. We would also like to thank the Stony Brook College of Business for allowing us to use the
Premium Microsoft Graphical user interface
will result in less surface runoff‚ thus a lower volume of water. Less permeable rocks will then have more surface runoff‚ thus a higher volume of water. Vegetation on land such as trees and plants also affects the volume of water‚ as vegetation intercepts rain. The upper course usually has more vegetation‚ while the lower courses have less vegetation intercepting precipitation. Sparse vegetation results in less water infiltrating the ground‚ thus there will be more surface runoff‚ resulting in a
Premium Surface runoff Erosion Geomorphology
Effects of Pesticide Case Study INTRODUCTION The Bago City is the rice granary of Negros Occidental. The farmers of Bago City are struggling because of the pest. They have decreased their production of rice because of the pest. Our goal of engaging this case study is to analyze and see the effect of the pesticide to the crops. We are to seek good and bad effects of these pesticides. We’re going to focus only on finding the effects of these pesticides so we can come up with a good report. By observing
Premium Soil Water Pesticide
Agriculture’s scale means not only that large area is directly affected‚ but that local and even regional climates can be affected. The draining of water from rivers and watersheds for irrigation leads to drier natural habitats. Those rivers that receive runoff from farmland are often poisoned by excessive nutrients and pesticides. As agriculture has become more intensive‚ farmers have become capable of producing higher yields using less labour and less land. Growth of the agriculture has not‚ however‚ been
Premium Soil Water Agriculture
While the nature takes from 100 to 400 years to build one centimetre of top soil‚ man can and often does destroy it almost overnight by haphazard land use and improvident husbandry. Irrational methods of cultivation‚ deforestation‚ destruction of natural vegetation due to overgrazing by pasturing animals etc.‚ accelerate denudation. Besides‚ failure of rains‚ floods‚ depopulation and loss of cattle caused by famine and pestilence‚ disturbance caused by war and interference with or change
Premium Soil Agriculture Erosion
Surface area Surface area is the measure of how much exposed area a solid object has‚ expressed in square units. Mathematical description of the surface area is considerably more involved than the definition of arc length of a curve. For polyhedra (objects with flat polygonal faces) the surface area is the sum of the areas of its faces. Smooth surfaces‚ such as a sphere‚ are assigned surface area using their representation as parametric surfaces. This definition of the surface area is based on methods
Premium Surface area Area Volume
Soil is one of the most important natural resources of man. Soils are essential for man for growing crops‚ fodder and limber. Once the fertile portion of the earth’s surface is lost‚ it is very difficult to replace it. In India‚ the destruction of the top-soil has already reached an alarming proportion. Land degradation problems have resulted in increasing depletion of the productivity of the basic land stock through nutrient deficiencies. In addition to the direct loss of crop producing capacity
Premium Erosion Soil Geomorphology
Conservation Strategy * 3.2 Protected areas * 3.2.1 International agreements * 4 See also * 5 References * 6 External links | [edit]Environmental issues Current issues: Water pollution from raw sewage‚ industrial wastes‚ and agricultural runoff; limited natural fresh water resources; a majority of the population does not have access to potable water; deforestation; soil erosion; desertification Little attention was paid to pollution .Some are these Related concerns‚ such as sanitation and
Premium Water Water pollution Surface runoff