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Early Chinese cartography

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Early Chinese cartography

Early Chinese cartography began in the 5th century BC during the Warring States period when cartographers started to make maps of the Earth's surface. Its scope extended beyond China's borders with the expansion of the Chinese Empire under the Han dynasty. It entered its golden age with the invention of the compass in the 11th century during the Song dynasty, and reached its peak in the 15th century when the Ming dynasty admiral Zheng He went on a series of voyages to the South China Sea, Indian Ocean, and beyond.

Contents

Legends of maps

There is an ancient Chinese legend called He Bo Xian Tu (河伯獻圖), which roughly means "the River Deity presenting a map". During the mythical Xia dynasty, a river deity gave Yu the Great a stone with a flood map etched on its surface. Yu the Great used the map to help him in taming the flood that threatened to destroy rural agriculture.

In general, the development of early Chinese cartography experienced three phrases: primitive map, classical map, and survey map. The primitive maps were simple maps, still steeped in myth and legend. It was not until the Han dynasty that classical maps began to emerge.

Qin dynasty maps

In 1986, seven maps were found in Tomb 1, dating to the Qin state of the Warring States period, at Fangmatan in Gansu Province. The maps were drawn in black ink on four rectangular pieces of pine wood, 26.7 cm in length and between 15 and 18.1 cm in width, and depict the tributary river systems of the Jialing River in Sichuan Province. The areas covered by the seven maps overlap, but in total they cover 107 × 68 km in area.

In addition to the seven maps on wooden blocks found at Tomb 1 of Fangmatan, a fragment of a paper map (5.6 × 2.6 cm) was found on the chest of the occupant of Tomb 5 of Fangmatan in 1986. This tomb is dated to the early Western Han dynasty, so the map dates to the early 2nd century BC. The map shows topographic features such as mountains, waterways and roads, and is believed to cover the Qin state of the Warring States period.

Han dynasty maps

Concrete evidence of the existence of maps in ancient China dates back to the Han dynasty (206 BC – 220 AD). The three silk maps found at the Mawangdui tumulus in Changsha, Hunan Province are traced back to the 2nd century BC. The three maps are a topographic map of the Changsha region, a military map of southern Changsha, and a prefecture map.

Research on the three maps indicates that the Chinese had acquired cartography skills in the Han dynasty. Although the military map does not contain names, a legend, scales, or any form of explanatory text, it shows modern Hunan, Guangdong and Guangxi provinces, as well as the boundary between the Han Empire and Nanyue Kingdom, covering the area from 111°E to 112°30′E, and from 23°N to 26°N. The scale of the map is approximately 1:180000.

At the time of their discovery, these three silk maps were the oldest to be found in China. However, they were superseded in 1986 after Qin dynasty maps dating back to the 4th century BC were found in Fangmatan, Tianshui, Gansu Province.

Yuan and Ming dynasty maps

Throughout the Yuan (1271–1368) and Ming (1368–1644) dynasties, Chinese cartography did not experience any significant developments. However, traditional cartography skills became more refined, and different types of maps starting appearing. The new types of maps include national maps showing mountains and cities, land defence maps, coastal defence maps, river maps for flood control, and nautical charts for maritime navigation. These maps exhibited characteristics such as greater focus on the accuracy of rivers and mountains, greater use of mathematics in cartography, and the use of administrative divisions to demarcate boundaries.

In 1579, Luo Hongxian published the Guang Yu Tu (廣與圖) atlas, which includes more than 40 maps, a grid system, and a systematic way of representing major geographical features such as mountains, rivers, roads and borders. The Guang Yu Tu incorporates the discoveries of admiral Zheng He's 15th century voyages along the coasts of China, Southeast Asia, India, and East Africa.

Among Ming dynasty maps, Zheng He's map was the most influential nautical chart. Between 1405 and 1433, the Ming government sponsored Zheng He to go on a series of seven naval expeditions to places in the South China Sea, Indian Ocean, and beyond. Thus, Zheng He's map was the important in the history of Chinese cartography and a specific one for maritime navigation. It also exhibited some special characteristics in terms of how its contents are presented:

  • For map readers' convenience, the map is continuously splicing from the starting point of Zheng He's voyages to the ending point.
  • Geographical features were drawn based on the map reader's orientation, such that map readers can find their position in the shortest time possible.
  • Landmarks used in maps for maritime navigation, such as reefs, ports and islands, are included.
  • Chinese traditional cartography skills became more developed and advanced in the late Ming dynasty under the influence of new ideas of technology and studies of natural science, which were introduced from the West to China.

    The Great Ming Amalgamated Map or Da Ming Hun Yi Tu (Chinese: 大明混一圖; pinyin: dàmíng hùn yī tú; Manchu: dai ming gurun-i uherilehe nirugan) is a world map created in China. It was painted in colour on stiff silk and 386 x 456 cm in size. The original text was written in Classical Chinese, but Manchu labels were later superimposed on them. It is one of the oldest surviving world maps from East Asia although the exact date of creation remains unknown. It depicts the general form of the Old World, placing China in the center and stretching northward to Mongolia, southward to Java, eastward to central Japan, and westward to Africa and Europe. The Earth's curvature affects even the scale of the Chinese section of the map. The horizontal scale is 1:820000 while the vertical scale is 1:1,060,000. The use of colour is particularly effective within China itself, including elegant touches like the ochre tint of the Yellow River.

    The Selden Map of China, which dates from the early 17th century and shows a series of precisely plotted maritime routes, has provoked a reassessment of the global significance of Ming cartography.

    Qing dynasty survey maps

    The Kangxi Emperor of the Qing dynasty (1644–1912) realised that Chinese maps were not accurate enough and required scientific methods for mapping, so he sponsored a national wide geodesy and mapping programme based on astronomical observation and triangulation measurements. The map, which is called Huang Yu Quan Lan Tu, took over 10 years to complete from 1708. It was also the first on-the-spot survey map. It had 41 framings based on provincial boundaries and has the following characteristics:

  • Use of pseudo-cylindrical projection and latitude and longitude cartography methods
  • Simultaneous of the Chinese and Manchu languages. Boundaries were defined in Manchu, while inland contents were defined in Chinese.
  • Inclusion of a survey map of Taiwan for the first time
  • Apart from cartography, the unification of scale measurement and the field measurement of meridian of earth contributed to the development of cartography in the Qing dynasty and helped to significantly improve the quality of maps.

    References

    Early Chinese cartography Wikipedia


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