• Mesa
  • Dongchang District

A mesa is an isolated, flat-topped elevation, ridge or hill, which is bounded from all sides by steep escarpments and stands distinctly above a surrounding plain. Mesas characteristically consist of flat-lying soft sedimentary rocks capped by a more resistant layer or layers of harder rock, e.g. shales overlain by sandstones. The resistant layer acts as a caprock that forms the flat summit of a mesa. The caprock can consist of either sedimentary rocks such as sandstone and limestone; dissected lava flows; or a deeply eroded duricrust. Unlike plateau, whose usage does not imply horizontal layers of bedrock, e.g. Tibetan Plateau, the term mesa applies exclusively to the landforms built of flat-lying strata. Instead, flat-topped plateaus are specifically known as tablelands.

Dongchang District, which belongs to Tonghua City, Jilin Province, is located in the urban center of Tonghua City, where the CPC Tonghua Municipal Committee and the people's Government of Tonghua City are located. It is located in the southeast of Jilin Province, with geographical coordinates between 125 °50 °E longitude 126 °07 °E and 41 °32 °N latitude 41 °49'. It is bordered by Erdaojiang District in the northeast, Ji'an City in the south, and Tonghua County in the west, northwest and southeast. In 2014, it covers an area of 382.6 square kilometers; it has jurisdiction over two townships, one town and seven streets; the total population is 315751 (2011); as of 2014, the GDP of Dongchang District was 14.5 billion yuan, an increase of 6.6 percent over 2013. Dongchang District has convenient transportation, with 303 National Highway, 201 National Highway and 202 National Highway as the main highway connecting the three northeastern provinces and entering the customs and going to the sea.
Airport In Dongchang District - Tonghua Sanyuanpu Airport
Tonghua Sanyuanpu Airport (Tonghua Sanyuanpu Airport, IATA: TNH, ICAO: ZYTN), located in Airport Road, Sanyuanpu Korean Town, Liuhe County, Tonghua City, Jilin Province, China, 41 kilometers southeast from the center of Tonghua, north from the county seat of Liuhe County 25.5 kilometers, a 4C-level military-civilian joint feeder airport (military and civil aviation fly in different fields)   .
On June 28, 2011, the construction of Tonghua Sanyuanpu Airport officially started; on December 4, 2013, the test flight of Tonghua Sanyuanpu Airport was successful; on June 18, 2014, Tonghua Sanyuanpu Airport officially opened for civil aviation business   .
According to the official website of the airport in April 2020, the terminal area of ​​Tonghua Sanyuanpu Airport is 3,034 square meters, and there are 4 seats on the civil aviation platform, including 3 class C seats and 1 class B seat; the runway is 2,300 meters long , 45 meters wide; can meet the annual passenger throughput of 194,000 person-times, cargo and mail throughput of 970 tons, and aircraft take-off and landing of 2,338 sorties.   .
In 2021, Tonghua Sanyuanpu Airport will handle a total of 127,603 passengers, a year-on-year increase of 29.2%, ranking 207th in the country; aircraft takeoffs and landings will reach 1,606, a year-on-year increase of 21.3%, ranking 221st in the country [twenty two]  .
From May 4, 2022, Tonghua Sanyuanpu Airport will be temporarily closed, and the specific resumption date will be adjusted in real time according to the construction progress [twenty one]  ; On July 1, the runway of Tonghua Airport has been closed for maintenance and reopened for use. [twenty four] 
Travel Guides In Dongchang District
Travel Sights In Dongchang District
Travel Notes In Dongchang District
Travel Asks In Dongchang District
Travel Asks In Dongchang District