如果你也在 怎样代写geography这个学科遇到相关的难题，请随时右上角联系我们的24/7代写客服。geography是一个科学领域，致力于研究地球和行星的土地、特征、居民和现象。第一个使用γεωγραφία这个词的人是埃拉托色尼（公元前276-194年）。地理学是一门包罗万象的学科，它寻求对地球及其人类和自然的复杂性的理解–不仅仅是物体在哪里，还包括它们是如何变化和形成的。
geography通常被定义为两个分支：人文地理学和自然地理学。人文地理学关注的是对人及其社区、文化、经济的研究，以及通过研究他们与空间和地点的关系，与环境的相互作用。自然地理学关注的是对自然环境中的过程和模式的研究，如大气圈、水圈、生物圈和地圈。
my-assignmentexpert™ geography作业代写，免费提交作业要求， 满意后付款，成绩80\%以下全额退款，安全省心无顾虑。专业硕 博写手团队，所有订单可靠准时，保证 100% 原创。my-assignmentexpert™， 最高质量的geography作业代写，服务覆盖北美、欧洲、澳洲等 国家。 在代写价格方面，考虑到同学们的经济条件，在保障代写质量的前提下，我们为客户提供最合理的价格。 由于统计Statistics作业种类很多，同时其中的大部分作业在字数上都没有具体要求，因此geography作业代写的价格不固定。通常在经济学专家查看完作业要求之后会给出报价。作业难度和截止日期对价格也有很大的影响。
想知道您作业确定的价格吗? 免费下单以相关学科的专家能了解具体的要求之后在1-3个小时就提出价格。专家的 报价比上列的价格能便宜好几倍。
my-assignmentexpert™ 为您的留学生涯保驾护航 在地理Geography作业代写方面已经树立了自己的口碑, 保证靠谱, 高质且原创的geographyy代写服务。我们的专家在地理Geography代写方面经验极为丰富，各种geography相关的作业也就用不着 说。
我们提供的geography及其相关学科的代写，服务范围广, 其中包括但不限于:
非线性方法 nonlinear method functional analysis
变分法 Calculus of Variations
地理代写|geography代考|The Place of Mobility in the World Polarization Process: The Topodynamic Theory
To a large extent, the specificity of space economy within economic theory stems from its addressing economic phenomena in terms of location forces instead of market transactions. This goes back to Pierre de Fermat who, before 1640, formulated a very simple mathematical problem whose direct numerical solution was such that it took more than 330 years to find it. That problem is described in the following: given three points A, B, and C located in a homogeneous Euclidean space, what is the location of a fourth point $\mathrm{D}$ that is such that the sum of the distances between $\mathrm{D}$ and each of the three given points is minimized? Evangelista Torricelli found a geometrical solution to the Fermat problem in 1645. Later, in 1750, Thomas Simpson generalized the problem by analyzing the case where the objective was to minimize the sum of the transportation costs between point $\mathrm{D}$ and the three given points. Weber (1909) made that problem famous by applying it to the case of the location of industries. The “Simpson problem” ended up being known as the “Weber problem.” It is from the Weber contribution that space economy started being interpreted in terms of attractive forces (in the classical Weber problem, the attractive force exerted by point $A, B$, or $C$ on point $D$ is equal to the transportation rate per kilometer multiplied by the transported quantity, that product being equal to the first partial derivative of the transportation function with respect to the distance to $\mathrm{A}, \mathrm{B}$, or $\mathrm{C}$ ).
地理代写|geography代考|The Gears of the Invasion Mechanics: The Conventional Thinking
According to the conventional thinking, migrations and invasions are driven by both “pull,” and “push” factors, but they are also marked by inertia phenomena and loops. The main “pull” factors clearly are wealth and economic opportunities. The richer an area is, the less its inhabitants have children, and the more it attracts migrants. The flip side of that statement is the fact that the richer an area is, the more it attempts to secure its borders or, at least, the more it aims to select its immigrants.
Conversely, the poorer an area is, the more its inhabitants have children, and the more it generates migrant outflows. Moreover, the more a country is overcrowded, the more its environment is threatened. This also applies to the whole world: the more the Earth is populated, the more its environment, its animal population and vegetal diversity and abundance are in jeopardy. The main threats are related to global warming, ocean levels, water, and food shortages. The U.S. National Intelligence Council has identified an “arc of instability” stretching from Africa through Asia. That arc includes the Nile Basin, the part of the Great Corridor located between the Mediterranean Sea and the Indus mouth, and the continental part of the Asian Corridor from the Indus to Northern China. The National Intelligence Council underlines the fact that most of the poorest people of the world live in that arc. It estimated that between 2008 and 2025 the number of people facing food and water shortages should leap from 600 million to $1.4$ billion, most of them in the arc. In 2006, the Stern Review Report had already forecasted that by 2050 hunger and drought should set 200 million “climate migrants” moving. 16
The problem is worsened by the existence of “loops.” For instance, the migrants are often the more dynamic part of their society of origin, which contributes to further impoverish the latter and perpetuate the invasion process. Moreover, the degrading of the Earth environment increases the level of poverty, while the poors get more and more children to maximize their chance to secure their future, which causes a further increase of the world population, which worsens the environmental prospects, which mainly affects the poorer parts of the planet, and so on.
地理代写|GEOGRAPHY代考|The Gears of the Invasion Mechanics: Checking the Facts
Let us now look at Fig. $2.2$ that represents the flows of migrants and refugees between the world regions observed between 2010 and 2015 . The width of the arrows represents the number of migrants and refugees. A scale around the circle shows how many millions each arrow represents. The black arrow shows the number of migrants from the Middle East, including those from Syria, migrating to Europe up until mid-2015.
A Martian looking at that figure would conclude that the conventional thinking we have just described is often wrong, since it appears that
- The region that attracts most migrants and refugees is not the rich North America, Western Europe, or Oceania, it is the troubled West Asia (with about 9 million migrants and refugees), which experienced wars and conflicts in Syria, Iraq, Palestine, Lebanon, Afghanistan, and Turkish Kurdistan;
- The region that generated more migrations is not poor Africa, but the emerging South Asia (with close to 8 million emigrants; Africa generated less than 7 million emigrants).
Furthermore, Fig. $2.3$ shows that the statement that “the poorer an area is, the more it generates migrant outflows” prevails just above a minimal income threshold of about 11,000 \$ (in 2005 purchasing power parity US dollars). Under that threshold, the opposite statement prevails, that is, the poorer an area is, the less it generates emigrants.
geography代写
地理代写|GEOGRAPHY代考|THE PLACE OF MOBILITY IN THE WORLD POLARIZATION PROCESS: THE TOPODYNAMIC THEORY
在很大程度上，空间经济在经济理论中的特殊性源于它以区位力量而不是市场交易来解决经济现象。这要追溯到皮埃尔·德·费马（Pierre de Fermat），他在 1640 年之前提出了一个非常简单的数学问题，其直接数值解是花费了 330 多年才找到的。该问题描述如下：给定位于齐次欧几里得空间中的三个点 A、B 和 C，第四个点的位置是什么D这是这样的，之间的距离之和D并且三个给定点中的每一个都被最小化？Evangelista Torricelli 在 1645 年找到了 Fermat 问题的几何解决方案。后来，在 1750 年，Thomas Simpson 通过分析目标是最小化两点之间的运输成本总和的情况来推广这个问题D和三个给定的点。韦伯1909把这个问题应用到工业区位的例子中，使这个问题出名。“辛普森问题”最终被称为“韦伯问题”。正是由于韦伯的贡献，空间经济开始被解释为吸引力$A, B$, or $C$ on point $D$ is equal to the transportation rate per kilometer multiplied by the transported quantity, that product being equal to the first partial derivative of the transportation function with respect to the distance to $\mathrm{A}, \mathrm{B}$, or $\mathrm{C}$ ).
地理代写|GEOGRAPHY代考|THE GEARS OF THE INVASION MECHANICS: THE CONVENTIONAL THINKING
按照传统思维，迁移和入侵既有“拉”，也有“推”，但也有惯性现象和循环。主要的“拉动”因素显然是财富和经济机会。一个地区越富裕，其居民的孩子就越少，它就越能吸引移民。该声明的另一面是，一个地区越富裕，它就越试图保护其边界，或者至少，它越是旨在选择其移民。
相反，一个地区越贫穷，其居民的孩子就越多，它产生的移民外流也就越多。此外，一个国家越拥挤，其环境受到的威胁就越大。这也适用于整个世界：地球人口越多，其环境、动物种群和植物多样性和丰富性就越处于危险之中。主要威胁与全球变暖、海平面、水和食物短缺有关。美国国家情报委员会已经确定了一条从非洲延伸到亚洲的“不稳定弧”。这条弧线包括尼罗河盆地、位于地中海和印度河口之间的大走廊部分，以及从印度河到中国北部的亚洲走廊的大陆部分。国家情报委员会强调，世界上大多数最贫穷的人都生活在这个弧线上。据估计，在 2008 年至 2025 年间，面临食物和水短缺的人数将从 6 亿跃升至1.4亿，其中大部分在弧内。2006 年，斯特恩审查报告已经预测，到 2050 年，饥饿和干旱将导致 2 亿“气候移民”迁移。16
“循环”的存在使问题更加严重。例如，移民往往是其原籍社会中更具活力的部分，这有助于进一步使后者陷入贫困并延续入侵过程。此外，地球环境的恶化增加了贫困的程度，而贫困人口越来越多的孩子能够最大限度地保障他们的未来，这导致世界人口进一步增加，这使得环境前景恶化，主要影响地球上较贫穷的地区，等等。
地理代写|GEOGRAPHY代考|THE GEARS OF THE INVASION MECHANICS: CHECKING THE FACTS
现在让我们看图。2.2这代表了 2010 年至 2015 年间观察到的世界区域之间的移民和难民流动。箭头的宽度代表移民和难民的数量。圆圈周围的刻度显示每个箭头代表多少百万。黑色箭头显示了截至 2015 年年中之前从中东（包括来自叙利亚的那些）移民到欧洲的人数。
火星人看着这个数字会得出结论，我们刚刚描述的传统思维通常是错误的，因为看起来
- 吸引最多移民和难民的地区不是富裕的北美、西欧或大洋洲，而是陷入困境的西亚在一世吨H一种b这在吨9米一世ll一世这n米一世Gr一种n吨s一种ndr和F在G和和s，在叙利亚、伊拉克、巴勒斯坦、黎巴嫩、阿富汗和土耳其库尔德斯坦经历了战争和冲突；
- 产生更多移民的地区不是贫穷的非洲，而是新兴的南亚在一世吨HCl这s和吨这8米一世ll一世这n和米一世Gr一种n吨s;一种Fr一世C一种G和n和r一种吨和dl和ss吨H一种n7米一世ll一世这n和米一世Gr一种n吨s.
此外，图。2.3表明“一个地区越贫穷，它产生的移民外流就越多”的说法在大约 11,000美元的最低收入门槛之上盛行。 一世n2005p在rCH一种s一世nGp这在和rp一种r一世吨是在小号d这ll一种rs. 在这个门槛之下，相反的说法盛行，即一个地区越贫穷，它产生的移民越少。
地理代写|geography代考 请认准UprivateTA™. UprivateTA™为您的留学生涯保驾护航。
