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美国代写,美国论文代写Topic 1: Earth’s Revolution around the Sun

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Date: April 28, 2017

Chapter 1 Location: Shady Canyon

Page 18 Description: The change of light at sunset

ANALYSIS:

Earth revolution refers to the rotation of the earth on its axis from west to east at every 24 hours, making it possible for the alternation of day and night. The living beings on Earth develop their own biological rhythms to adapt to the Earth rotation regulation. This picture shows the arrival of dusk when the sun sets in the west, and the power of the sunlight diminishes. The light gets dimmer and dimmer. The picture was taken at the Shady Canyon, perfectly reflecting the light change at dusk. It is one of the critical moments of a day, marking the arrival of evening.

Topic 2: Weather and Climate

Date: April 28, 2017

Chapter 3 Location: Newport Beach

Page 67 Description: The hot weather at the Newport Beach

ANALYSIS:

Weather is the temporary conditions of the atmosphere defined by temperature, air pressure, etc. while climate is the regular conditions of the atmosphere in the long term (Trenberth, Miller, Mearns, & Rhodes, 2000). Weather is less stable than climate. However, weather demonstrates certain stability in different seasons and climates. This picture was taken at Newport. Summer is on her way to this place, and some people begin to take a vacation in this place. “Climate is the aggregate of day-to-day weather conditions over a long period” (67). The factors that influence the weather can also influence the climate, but it takes a longer time for such factors to generate an effect.

Topic 3 Photosynthesis

Date: April 24, 2017

Chapter 3 Location: South Lake Park

Page 58 Description: Photosynthesis in the tree

ANALYSIS:

Photosynthesis is a energy generation process in which chlorophyll convert the sunlight (A Modern Dictionary of Geography, 2001). The “raw materials” used for photosynthesis include carbon dioxide, sunlight, and water while the product of the process is oxygen and other chemical energy. Photosynthesis is the growth of the plants. This picture was shot in South Lake Park. The new leaves on the tree show that the tree can perform strong photosynthesis. In addition to the energy provided for the growth of the tree itself, photosynthesis can help to absorb the carbon dioxide and keeps the oxygen-carbon balance in the air.

Topic 4: Temperature and Heat

Date: April 24, 2017

Chapter 4 Location: South Lake Park

Page 79 Description: High temperature under the hot sunlight

ANALYSIS:

Temperature express the level on which heat or cold reaches (Boer, 1965). The degree of temperature depends on the active state of the molecules forming a matter. The more active the molecules are, the higher the temperature will become. Heat is the energy transferred from one matter to another due to the difference in temperature between the two matters. More heat means more frequent energy transfer and the temperature gets higher because of the process. The heat exposed directly impact the vegetation of the place. This picture was taken in the South Lake Park when the sun rose to the highest. Under the shining of the sunlight, the leaves of the tree perform active photosynthesis. California is in the subtropic area and the vegetation can receive much heat exposure and is dominated b broad-leaved plants.

Topic 5: Transmission

Date: April 21, 2017

Chapter 4 Location: Newport Beach, CA.

Page 85 Description: Electromagnetic waves transmission from the sun to the sea

ANALYSIS:

Sunlight, as a kind of electromagnetic waves can pass through the atmosphere and send heat to the earth. Sunlight transmission is an important process to provide the living beings on Earth with sufficient solar energy. This picture was taken at the Newport Beach, CA, and reflects the sun shining on the sea and the sunlight, namely, the electromagnetic waves, transmits to the sea water. Due to the shielding function of the atmosphere, only a small portion of sunlight is transmitted to the earth. The light and heat are transmitted through the electromagnetic waves to keep the proper temperature of the earth.

Topic 6: Cloud

Date: April 20, 2017

Chapter 6 Location: 208 Shadow Oaks Irvine

Page 157 Description: Clouds in a sunny sky

ANALYSIS:

Clouds are the collection of water droplets in the atmosphere and caused by the cooling of air (A modern dictionary of geography, 2001). Clouds can be an indicator of the weather at a certain time. When the droplets of water and ice are thick enough, there can be rainy or snow, a significant source of the fresh water on Earth. The picture was taken on 208 Shadow Oaks Irvine on a sunny day. The clouds “locate” in the middle of the earth and the sun. They shield part of the heat radiation from both sides. However, they are also penetrable by the radiant energy from Earth and the sun. The position of the clouds makes them an essential part of climate change control.

Topic 7: Water Tension

Date: April 25, 2017

Chapter 8 Location: South Lake Irvine

Page 143 Description: Plant growth not influenced by water tension

ANALYSIS:

Water tension is the internal forces generated from the tension inside the water. (Lautrup, 2011). With its strong mobility, water can maintain a stable surface tension, which will not be influenced by external forces. However, due to the imbalance force between the water surface and the tension from the water molecules in the water body, the surface water molecules are still kept together with the water body. The picture was taken in the South Lake Irvine, demonstrating a plant growing in the water. As illustrated, both the surface tension of the water and the surface tension of the plant are strong enough to keep their own molecules in their respective main bodies.

Topic 8: Climate

Date: April 27, 2017

Chapter 8 Location: Newport

Page 157 Description: Newport under the Mediterranean climate

ANALYSIS:

Climate is a stable weather condition of a place. Take California as an example. California displays Mediterranean climatic features: The summer in this place is hot and dry while the winter is relatively mild and rainy (Linonello, et al., 2014). The climate in a place reflects the temperature, precipitation, soil, and vegetation conditions, etc. This picture was shot at the Newport Beach. The picture seems a little blurred due to the strong water vapor under the hot weather. The formation of climate relies on various geographical factors while climate change by greenhouse gases like carbon dioxide can react upon such factors too.

Topic 9: Ecosystems and Biomes

Date: April 24, 2017

Chapter 10 Location: Woodbridge South Lake Park

Page 307 Description: The riverside ecosystem

ANALYSIS:

An ecosystem includes all the elements in a specific environment, inclusive of the ling and non-living beings, such as animals, plants, microorganisms (Millennium Ecosystem Assessment, 2003). Thus, an ecosystem refer to all the elements involved, inclusive of the living and non-living beings. Change of one element may means a change of the ecosystem. This picture was shot in the Woodbridge South Lake Park. The river and the land area can constitute an ecosystem in which the water birds, the trees, the grasses, depend on each other to survive. The activities of the living beings can affect the ecosystem while the ecosystem can also exert an influence on the living beings. The parties involved in an ecosystem maintain a dynamic balance.

Topic 10: Food Chain

Date: April 24, 2017

Chapter 10 Location: South Lake Park, Irvine

Page 191 Description: The food chain in the South Lake Park

ANALYSIS:

Food chain is  a diagram in which the food energy follows from one organism to another, which forms a open circle in a specific environment  (Science Dictionary, 2008). Food chains are a link to keep the dynamic balance referred to in Topic 9. Through the food chain, the number of a species is kept in a rational state so that they would not generate harmful impact on the ecosystem. For example, if one kind of species is over-populated, their number can be reduced through the reduction of food sources, such as the worms and the fish. In this way, the ecosystem can keep a balance.

Topic 11: Evaporation from Vegetation and Soils

Date: April 24, 2017

Chapter 11 Location: 17000 Jamboree Road, Irvine

Page 309 Description: Evaporation from plants

ANALYSIS:

Evaporation is the process when water molecules from plants, soil, and other elements on the earth change into gas (Oxford Advanced Learner’s Dictionary, 2014). Evaporation is an essential link in the circulation of the water system on earth. The precipitation in the atmosphere is mainly from evaporation and the water droplets get together in the clouds. The picture was taken on the Jamboree Road. The Mediterranean climate begins to take control of the area. With less precipitation and hotter temperature under the climate, evaporation from the plants and the soil is easier than that happens under a cooler temperature.

Topic 12: Soils

Date: April 24, 2017

Chapter 12 Location: Irvine Valley College

Page 368 Description: Soil fertility and plants diversity

ANALYSIS:

Soil is one of the fundamental elemental elements on the earth, consisting of minerals and organics (Jenny, 1994). Geological differences and climate can result in different soil components and properties, The soil is fundamental to the growth of terrestrial plants, providing them with space to roots and necessary nutrients. This picture was shot in Irvine Valley College , showing succulent plants grow together with gladiolus and other trees, indicating that the soil of this place is fertile and suitable for growing various plants. In the field environment, the forest canopies have formed their unique soil fertility structure to accommodate the growth of different plants.

Topic 13: Soil Erosion

Date: April 28, 2017

Chapter 12 Location: Turtle Rock

Page350 Description: Soil erosion and soil fertility

ANALYSIS:

Soil erosion is the process of soil fertility degradation.. It can be a big threat to the agricultural production. (Pimental, 2014). Soil erosion can be caused by natural causes and/or human activities. This picture was taken in Turtle Rock. The soil in this place is dry and hardened and the surface cracks open. Through comparison with the surrounding place, it can be concluded that the eroded soil is specially lack of plants. Human activities may be responsible for the soil erosion. The track pits are obvious in the picture. The hardened and dry soil make it impossible for the growth of plants.

Topic 14: Landscapes

Date: April 28, 2017

Chapter 14 Location: Shady Canyon

Page 110 Description: Hills in the Shady Canyon

ANALYSIS:

According to Longatti and Dalang (2009), the meaning of “landscape” changes over the years and evolves political and emotional connotation, not just referring to “a physical location where biological processes take place”. In this context, the meaning of “landscape” is confined to “a physical location” only. The landscape of a particular area plays a leading role in determining the distribution and living conditions of the main living species. This picture was taken in the Shady Canyon, the place is dominated by low mountains and hills and generally keeps the original geomorphic features. Compared with plain, the stretching and undulating terrains greatly restrain the convenience to conduct production activities but can help to contribute to the biodiversity of the local area.

Topic 15: Reverse Fault

Date: April 28, 2017

Chapter 14 Location: Shady Canyon

Page 466 Description: Reverse Fault

ANALYSIS:

The reverse fault is a kind of fault in the geological structure, as the upper and lower faults, which are mainly formed by horizontal squeezing and gravity (Sibson, Robert, & Poulsen). The photo above shows its appearance is produced from compression stresses by the shallow ground , where the upper block slides up the incline of the fault plane in“reverse” of the sense of gravity. It can be seen that the fault is in the opposite direction to the surface. The reverse fault frequently appears in the Shady Canyon. This fault is prone to landslides so that people should be careful in daily activities.

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