Understanding Lunar and Earth Structures: Key Concepts
Lunar Orbit: The Moon is the Earth’s natural satellite. The Moon orbits the Earth in its own path, which is in the shape of an ellipse, with the Earth being one focus. When the Moon is closer to the Earth, the point on the lunar orbit is called perigee, appearing larger. Conversely, when it is farther away, this position is called apogee.
Moon Phases: The light emitted by the Moon is called Earthshine. This light is generated by the reflection of sunlight on the Moon’s surface, causing the various
Read MoreUnderstanding Physical Geography: Key Concepts and Terms
Physical Geography. The general physical geography studies the landscape as it would be found without the intervention of human groups (natural landscapes). It includes the study of climate, water, relief forms, and living beings in their distribution and significance for landscapes.
Map Scale. The scale is the relationship between the dimensions of the map and the actual dimensions of the surface it represents. For example, a 1:100,000 scale indicates that one inch on the map represents a real
Understanding Atmospheric Phenomena and Environmental Changes
Foehn Effect: It is named after the phenomenon that causes an increase in temperature and a decrease in relative humidity in the wind that runs through rugged mountains. This process occurs due to rainfall asymmetries between the windward and leeward slopes.
Greenhouse Effect: The planetary energy balance analysis points out that the magnitude considered is the flow of energy as long-wave radiation received from the troposphere. This effect is carried by clouds that, for such purposes, act as black
Impacts of Hydraulic Works on Climate and Hydrology
3.4. Impacts Caused by Construction of Hydraulic Works
The construction of hydraulic works generates physical changes within the watershed. For example, the construction of a dam on a river, with the formation of a reservoir, leads to impacts and effects on both climatic and hydrological aspects, as discussed below;
3.4.1. Climate Impact
At the macro level, the isolated effect of a dam on the regional climate may be negligible, because the main components of regional climate and its seasonal and annual
Understanding Earth’s Layers and Their Dynamics
5. Earthquakes That Provide Information
The speed of propagation of seismic waves in the deep Earth undergoes gradual changes, sometimes abrupt changes; these sudden changes are called discontinuities.
The speed at which seismic waves travel depends on two factors: the composition of materials and the physical state of these materials.
Discontinuities are used to divide the deep Earth into layers.
Main Breaks and Their Interpretation
- Moho, or Mohorovičić Discontinuity: It was the first significant
Understanding Alternative Energy Sources and Their Impact
Alternative Energy
Although routinely identified as hard-working or with work, physical work is an entirely different matter.
Mechanical Definition of Work: The product of a strength for the journey. The work can be 0 if the force is 0, i.e., no force, displacement is 0, or if they are perpendicular force and displacement. The work will be negative if the angle is between 90 and 270 degrees, where the cosine is negative, and therefore the product is negative. Thus, mechanical work can take any value.