初三下册英语重点单词用法

Historical geography had long history and geography as auxiliary discipline of existence and development. Historical geography research on breeding it growth and development of geographical science and history of science, as well as to the current transformation of natural struggle, has the extremely vital significance.

A, research history geography is the need of the development of modern geography.

The historical geography, a fundamental argument is the human living environment of the factors is complex, interact, mutual restrict and under constant change and development. Today all geographical phenomenon is not has been so since ancient times, but is different from the previous era of development in geography evolved, rooted in the past the geography, born out of thin air or static geographical phenomenon has never existed. For any geographical phenomena, therefore, only to know its past, to better understand it now, then you should take the geography of the past era \and to recover has the geographical phenomena, according to the order of the historical development, link, to find the cause of development and evolution of the law, so as to clarify the formation and characteristics of geographical phenomena, this is what must be by means of historical geography geography research.

Historical geography geography development situation and the regularity of each department and for the development and research of current geographical science departments, have a good relationship. In the field of modern economic geography, for example, for any regional economic research, must understand its occurrence and development process, and correctly estimate the natural conditions in the formation of the economic region and the role of the distribution of individual sectors of the economy, it must use historical point of view and method and historical materials, to explore the economic phenomena at different stages of historical development laws of general or special, make fully according to the history of geography, which enriched and developed the content of the geography.

Engels once pointed out: \the geology, geography, climate, plants and animals, also must have been something gradually generated. It not only has a history of adjacent to each other in space, but also on the time history of succession. If immediately resolutely continue study along the way, then science is now much more progress\also have mutual crisscross on study time. Historical geography is from its related discipline based, independent development time is not long, but also with the help of the related discipline auxiliary, but on the other hand, it can also promote or to help the development of related disciplines. Because of this, historical geography, as a branch of modern geography, it is more and more get people's attention.

Second, the important role of historical geography in history science

The period of human history any historical events occurred in a certain period of time and space. The so-called \that is, refers to the specific geographical environment. It is the development of the historical events, dependent basis. Each of the different age, all have their

different geographical environment, because of time and space is in constant development and change, to leave the geographical environment of the era, is impossible to really understand the history of that era.

The task of historical geography, in different times and social development of the specific geographical condition, it's different in human social development stage, to some extent, affects the level of productivity development. It elucidated many important historical events of the geographic locations gives specific to historical process of space position, in order to make clear the historical bottom certain geographical characteristics. Because only from the historical development process of many regional features, can achieve the embodiment of various ideas and profound change in history.

The evolution of traditional geography in our country, has long been belonging to the scope of historiography, become an important auxiliary historical subjects. For many important historical facts, such as ancient and modern of city, the migration of population, the change of traffic routes, such as the distribution of industrial and agricultural production, with the aid of historical geography, but like the history geography, just stay on the statement of the condition of present and past is not enough. Must also be from a particular spatial analysis of geography, it belongs to the task of historical economic geography, just like today's economic geography including cities, population, transportation, the product department.

Historical period the change of the natural environment of human life, whether it is due to human activities, or the internal forces and external forces of nature itself followed the objective law of the inherent and changes, the role of it for the human society development is in direct or indirect impact. The great historian sima qian long ago put forward \historiographical must discuss the relationship (i.e., natural environment) between man and nature, to master the law of social development and change. Therefore, must rely on historical geography of history, the relationship between research. Historical geography has become an indispensable an integral part of the history of science. Similarly, historical geography in related disciplines in the history of mutual penetration, the function of each other and help each other and promote.

3, studying history geography and remaking nature and the needs of fighting against the production

Historical geography of the current geographical conditions of foundation of investigation and study, also directly contribute to production smoothly. Transform nature and make use of nature, is a long-term task of socialist construction. Natural itself to the transformation, the use of natural, we should know the rule of distribution and occurrence, development and change, at the same time, also want to use the past already in the process of remaking nature experience and achievements. Both include many historical geography research work, it can be a reference, analysis, evaluation and planning for the socialist construction to provide certain scientific basis.

In the history of natural geography, for the ancient river, canal, well the distribution of the springs, and lakes restoration work, help to looking for the underground water, for now the comprehensive

exploitation and utilization of rivers and lakes and water supply problem in some big cities, to provide valuable reference data; Study of coastline change during the period of history, but for embankment, seawall and harbor construction project to provide necessary basis, hydrological data in the history of research, can solve some the highest peak in the dam design engineering problems; Study history, drought, water cycle and water conservancy in the history of rich experience, help to large-scale water conservancy project planning; Earthquake records relating to the history and the study of regional climate change, for a basic construction and economic development has a direct contact; The distribution and change of the ancient desert and the experience of the working people struggle with sand, also can be useful contributions to the grand plan of the desert.

In the historical economy geography, the regional distribution of crops in history, the border region of settlement changes, update the destruction of the forests, mountain development and farming line goes on research, for the development of the current agriculture and forestry production has important reference significance; Regional development research, for the development of a region, development level and characteristics in the development of economy in the past, to give the necessary understanding, also have certain effect to regional planning work; Recovery for the distribution of the ancient transportation network, can provide a certain basis for modern transportation of line selection; Urban geography of history data, please reconstruction, expansion or reconstruction planning for the city offers all kinds of condition analysis and evaluation; As for the mining act of geography of history, practice has proved in providing clues for source exploration has its certain application value.

The socialist construction cause to ask the history geography, in the future, in the grand cause of realizing the four modernizations, to historical geography to ask for more and more complex. History and geography as a discipline in itself, in the theoretical system of establish and develop their own, must also be closely related practice, from practice to develop and constantly explore new areas. Only in this way, can I make myself get unlimited vitality, followed the avenue of the scientific advance rapidly.

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