Archiwum
Independence Day of the Republic of the Union of Myanmar
Myanmar, also called Burma, country, located in the western portion of mainland Southeast Asia. In 1989 the country’s official English name, which it had held since 1885, was changed from the Union of Burma to the Union of Myanmar; in the Burmese language the country has been known as Myanma (or, more precisely, Mranma Prañ) since the 13th century. The English name of the city that served as the country’s capital from 1948 to 2006, Rangoon, also was dropped in 1989 in favour of the common Burmese name, Yangon. In 2005 the government began to shift its administrative centre, first to the city of Pyinmana (some 200 miles [320 km] north of Yangon) and then to Nay Pyi Taw (Naypyidaw), a newly constructed city near Pyinmana. Nay Pyi Taw was proclaimed the capital of Myanmar in 2006. Land Stretching from latitude 10° N to about 28° 30′ N, Myanmar is the northernmost country of Southeast Asia; it is shaped like a kite with a long tail that runs south along the Malay Peninsula. The country is bordered by China to the north and northeast, Laos to the east, Thailand to the southeast, the Andaman Sea and Bay of Bengal to the south and southwest, Bangladesh to the west, and India to the northwest. Its total length from north to south is about 1,275 miles (2,050 km), and its width at the widest part, across the centre of the country at about the latitude of the city of Mandalay, is approximately 580 miles (930 km) from east to west. Relief Myanmar slopes from north to south, from an elevation of 19,296 feet (5,881 metres) at Mount Hkakabo (the country’s highest peak) in the extreme north to sea level at the Irrawaddy (Ayeyarwady) and Sittang (Sittoung) river deltas. The mountain ranges generally run from north to south. The country as a whole can be divided into five physiographic regions—the northern mountains, the western ranges, the eastern plateau, the central basin and lowlands, and the coastal plains. The northern mountains consist of a series of ranges that form a complex knot at Mount Hkakabo. In terms of plate tectonics, this knot marks the northeastern limit of the encroaching Indian-Australian Plate, which has been colliding with the southern edge of the Eurasian Plate for roughly the past 50 million years and thrusting up the mountain ranges of Myanmar and beyond. This region contains the sources of several of Asia’s great rivers, including the Irrawaddy, which rises and flows wholly within Myanmar, and the Salween (Thanlwin), which rises to the north in China. The upper courses of these rivers all flow through deep gorges within a short distance of each other, separated by steep, sheer peaks. The western ranges traverse the entire western side of Myanmar, from the northern mountains to the southern tip of the Rakhine (Arakan) Peninsula, where they run under the sea and reappear as the Indian territory of the Andaman and Nicobar Islands. Their average elevation is about 6,000 feet (1,800 metres), although some peaks rise to 10,000 feet (3,000 metres) or higher. The mountains consist of old crystalline rocks surrounded by hard, tightly folded sedimentary rocks on either side. From north to south, the Patkai Range, Naga Hills, and Chin Hills form the border between India and Myanmar. To the south of these are the Rakhine Mountains (Arakan Mountains), which lie entirely within Myanmar and separate the coastal strip from the central basin. The Shan Plateau to the east rises abruptly from the central basin, often in a single step of some 2,000 feet (600 metres). Occupying the eastern half of the country, it is deeply dissected, with an average elevation of about 3,000 feet (900 metres). The plateau was formed during the Mesozoic Era (about 250 to 65 million years ago) and thus is a much older feature than the western mountains, but the plateau also shows more-recent and intensive folding, with north-south longitudinal ranges rising steeply to elevations of 6,000 to 8,600 feet (1,800 to 2,600 metres) above the plateau surface. Northward, the plateau merges into the northern mountains, and southward it continues into the Dawna Range and the peninsular Tenasserim Mountains (Tanintharyi Mountains), each a series of parallel ranges with narrow valleys. The central basin and lowlands, lying between the Rakhine Mountains and the Shan Plateau, are structurally connected with the folding of the western ranges. The basin was deeply excavated by the predecessors of the Irrawaddy, Chindwin, and Sittang rivers; the valleys are now occupied by these rivers, which cover the ancient soft sandstones, shales, and clays with alluvial deposits. In the deltaic regions formed by the Irrawaddy and Sittang rivers, the landscape is absolutely flat, and the monotony is relieved only by a few blocks of erosion-resistant rocks that are never more than 60 feet (18 metres) high. The basin is divided into two unequal parts, the larger Irrawaddy valley and the smaller Sittang valley, by the Bago Mountains. In the centre of the basin and structurally connected with the Bago Mountains and their northern extension is a line of extinct volcanoes with small crater lakes and eroded cones, the largest being Popa Hill, at 4,981 feet (1,518 metres). The coastal areas consist of the narrow Rakhine and Tenasserim plains, which are backed by the high ranges of the Rakhine and Tenasserim mountains and are fringed with numerous islands of varying sizes. Drainage and soils Like the mountains, Myanmar’s main rivers run from north to south. About three-fifths of Myanmar’s surface is drained by the Irrawaddy and its tributaries. Flowing entirely through Myanmar, it is navigable for nearly 1,000 miles (1,600 km). At the apex of its delta, the Irrawaddy breaks up into a vast network of streams and empties into the Andaman Sea through multiple mouths. Its great tributary, the Chindwin, drains the western region. The Bassein River (Pathein River) drains the southern Rakhine Mountains, and the Yangon River (Rangoon River) drains the Bago Mountains; both enter the Irrawaddy at the delta. The Sittang flows into the Gulf of Martaban of the Andaman Sea, and, for a comparatively short river, it has a large valley and delta. The Shan Plateau is drained by the Salween River, which enters Myanmar from southern China and empties into the Gulf of Martaban southeast of the Sittang. It is deeply entrenched and crosses the plateau in a series of deep gorges. Many of its tributaries are more than 300 miles (480 km) long and join the Salween in cascades. The Rakhine coastal plains are drained by short, rapid streams, which, after forming broad deltas, flow into the Bay of Bengal. The Tenasserim plains also are drained by short and rapid rivers, which enter the Gulf of Martaban. Myanmar has two major lakes. Indawgyi Lake, in the northern hills, runs some 15 miles (24 km) from north to south and 8 miles (13 km) from east to west; it is one of the largest natural inland lakes of Southeast Asia. Somewhat smaller is Inle Lake, stretching about 14 miles (22 km) from north to south and 7 miles (11 km) from east to west, on the Shan Plateau. Inle Lake is fed by dozens of streams. The highland regions of Myanmar are covered with highly leached, iron-rich, dark red and reddish brown soils. When protected by forest cover, these soils absorb the region’s heavy rain, but they erode quickly once the forest has been cleared. The lowland regions are covered with alluvial soils—mainly silt and clay. Low in nutrients and organic matter, they are improved by fertilizers. In the dry belt of the central region are found red-brown soils rich in calcium and magnesium. In the same region, however, when the soil has a low clay content, it becomes saline under high evaporation and is recognizable by its yellow or brown colour. Climate of Myanmar Although Myanmar is located in the monsoon region of Asia, its climate is greatly modified by its geographic position and its relief. The cold air masses of Central Asia bring snow to the northern mountains for two months of the year, but this mountain wall prevents the cold air from moving farther south, so that Myanmar lies primarily under the influence of the monsoon winds. The north-south alignment of ranges and valleys creates a pattern of alternate zones of heavy and scanty precipitation during both the northeast and southwest monsoons. Most of the precipitation, however, comes from the southwest monsoon. The west coast is subject to occasional tropical cyclones. Myanmar has three seasons: the cool, relatively dry northeast monsoon (late October to mid-February), the hot, dry intermonsoonal season (mid-February to mid-May), and the rainy southwest monsoon (mid-May to late October). The coastal regions and the western and southeastern ranges receive more than 200 inches (5,000 mm) of precipitation annually, while the delta regions receive about 100 inches (2,500 mm). The central region is not only away from the sea but also on the drier, lee side—in the rain shadow—of the Rakhine Mountains. Precipitation gradually decreases northward until in the region’s dry zone it amounts to only 20 to 40 inches (500 to 1,000 mm) per year. The Shan Plateau, because of its elevation, usually receives between 75 and 80 inches (1,900 and 2,000 mm) annually. Elevation and distance from the sea affect temperature as well. Although Myanmar generally is a tropical country, temperatures are not uniformly high throughout the year. The daily temperature range is greater than that in nearly all other parts of Southeast Asia, but no locality has a continental type of climate (i.e., one characterized by large seasonal differences in average temperature). Mandalay, in the centre of the dry zone, has some of the greatest daily temperature ranges, which span about 22 °F (12 °C) annually. In broader perspective, however, average daily temperatures show little variation, ranging from 79 °F (26 °C) to 82 °F (28 °C) between Sittwe (Akyab) in the Rakhine region, Yangon near the coast, and Mandalay in the northern part of the central basin. At Lashio, on the Shan Plateau, the average daily temperature is somewhat cooler, around 71 °F (22 °C). More … Source: https://www.britannica.com/place/Myanmar
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Malaysia National Day
Malaysia, country of Southeast Asia, lying just north of the Equator, that is composed of two noncontiguous regions: Peninsular Malaysia (Semenanjung Malaysia), also called West Malaysia (Malaysia Barat), which is on the Malay Peninsula, and East Malaysia (Malaysia Timur), which is on the island of Borneo. The Malaysian capital, Kuala Lumpur, lies in the western part of the peninsula, about 25 miles (40 km) from the coast; the administrative centre, Putrajaya, is located about 16 miles (25 km) south of the capital. Malaysia, a member of the Commonwealth, represents the political marriage of territories that were formerly under British rule. When it was established on September 16, 1963, Malaysia comprised the territories of Malaya (now Peninsular Malaysia), the island of Singapore, and the colonies of Sarawak and Sabah in northern Borneo. In August 1965 Singapore seceded from the federation and became an independent republic. Land Peninsular Malaysia occupies most of the southern segment of the Malay Peninsula. To the north it is bordered by Thailand, with which it shares a land boundary of some 300 miles (480 km). To the south, at the tip of the peninsula, is the island republic of Singapore, with which Malaysia is connected by a causeway and also by a separate bridge. To the southwest, across the Strait of Malacca, is the island of Sumatra in Indonesia. East Malaysia consists of the country’s two largest states, Sarawak and Sabah, and is separated from Peninsular Malaysia by some 400 miles (640 km) of the South China Sea. These two states occupy roughly the northern fourth of the large island of Borneo and share a land boundary with the Indonesian portion (Kalimantan) of the island to the south. Surrounded by Sarawak is a small coastal enclave containing the sultanate of Brunei. Of the country’s total area, which includes about 265 square miles (690 square km) of inland water, Peninsular Malaysia constitutes about 40 percent and East Malaysia about 60 percent. Relief The long, narrow, and rugged Malay Peninsula extends to the south and southwest from Myanmar and Thailand. The Malaysian portion of it is about 500 miles (800 km) long and—at its broadest east-west axis—about 200 miles (320 km) wide. About half of Peninsular Malaysia is covered by granite and other igneous rocks, one-third is covered by stratified rocks older than the granite, and the remainder is covered by alluvium. At least half the land area lies more than 500 feet (150 metres) above sea level. Peninsular Malaysia is dominated by its mountainous core, which consists of a number of roughly parallel mountain ranges aligned north-south. The most prominent of these is the Main Range, which is about 300 miles (480 km) long and has peaks exceeding 7,000 feet (2,100 metres). Karst landscapes—limestone hills with characteristically steep whitish gray sides, stunted vegetation, caves created by the dissolving action of water, and subterranean passages—are distinctive landmarks in central and northern Peninsular Malaysia. Bordering the mountainous core are the coastal lowlands, 10 to 50 miles (15 to 80 km) wide along the west coast of the peninsula but narrower and discontinuous along the east coast. East Malaysia is an elongated strip of land approximately 700 miles (1,125 km) long with a maximum width of about 170 miles (275 km). The coastline of 1,400 miles (2,250 km) is paralleled inland by a 900-mile (l,450-km) boundary with Kalimantan. For most of its length, the relief consists of three topographic features. The first is the flat coastal plain. In Sarawak, where the coastline is regular, the plain averages 20 to 40 miles (30 to 60 km) in width, while in Sabah, where the coastline is rugged and deeply indented, it is only 10 to 20 miles (15 to 30 km) wide. Inland from the coastal plain is the second topographic feature, the hill-and-valley region. Elevations there generally are less than 1,000 feet (300 metres), but isolated groups of hills reach heights of 2,500 feet (750 metres) or more. The terrain in this region is usually irregular, with steep-sided hills and narrow valleys. The third topographic feature is the mountainous backbone that forms the divide between East Malaysia and Kalimantan. This region, which is higher and nearer to the coast in Sabah than in Sarawak, is composed of an eroded and ill-defined complex of plateaus, ravines, gorges, and mountain ranges. Most of the summits of the ranges are between 4,000 and 7,000 feet (1,200 and 2,100 metres). Mount Kinabalu towers above this mountain complex; at 13,455 feet (4,101 metres), it is the highest peak in Malaysia and in the Southeast Asian archipelago as a whole. Drainage Peninsular Malaysia is drained by an intricate system of rivers and streams. The longest river—the Pahang—is only 270 miles (434 km) long. Streams flow year-round because of the constant rains, but the volume of water transported fluctuates with the localized and torrential nature of the rainfall. Prolonged rains often cause floods, especially in areas where the natural regimes of the rivers have been disrupted by uncontrolled mining or agricultural activities. As in Peninsular Malaysia, the drainage pattern of East Malaysia is set by the interior highlands, which also form the watershed between Malaysia and Indonesia. The rivers, also perennial because of the year-round rainfall, form a dense network covering the entire region. The longest river in Sarawak, the Rajang, is about 350 miles (563 km) long and is navigable by shallow-draft boats for about 150 miles (240 km) from its mouth; its counterpart in Sabah, the Kinabatangan, is of comparable length but is navigable only for about 120 miles (190 km) from its mouth. The rivers provide a means of communication between the coast and the interior, and historically, most settlement has taken place along the rivers. Soils The soils of both portions of Malaysia have been exposed for a long period of time to intense tropical weathering, with the result that most of their plant nutrients have been leached out. Soils typically are strongly acidic and coarse-textured and have low amounts of organic matter. Any organic matter is rapidly oxidized when exposed to weathering, and the soils consequently become even poorer. Soil erosion is always a danger on sloping ground, where such preventive measures as building contour embankments or planting protective cover crops are required. Only a small proportion of the soils of Peninsular Malaysia is fertile, necessitating regular application of fertilizer to sustain crop yields. Generally, soil conditions in Sarawak and Sabah do not differ greatly from those on the peninsula. Of these three regions, only Sabah has appreciable areas of fertile soils. These are found in the southeastern coastal areas, where the parent substance from which the soil is formed is composed of chemically basic volcanic materials. More … Score: https://www.britannica.com/place/Malaysia
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