Sains Malaysiana 46(11)(2017): 2195-2204

http://dx.doi.org/10.17576/jsm-2017-4611-21

Construction of Trace Element in Coal of China Database Management System: Based on WebGIS

(Pembinaan Unsur Surih dalam Arang Batu Sistem Pengurusan Pangkalan Data China: Berdasarkan WebGIS)

LIU YANG¹, XUE BAI^2*, YINJIE HU¹, QIQI WANG¹ & JUN DENG¹

¹China University of Mining & Technology, Beijing, Beijing 100083, China

²China National Institute of Standardization, Beijing 100191, China

Diserahkan: 9 Januari 2017/Diterima: 6 Jun 2017

ABSTRACT

The combination of geographic information system and mineral energy data management is helpful to promote the study of mineral energy and its ecological damage and environmental pollution caused by its development and utilization, which has important application value. The Trace Elements in Coal of China Database Management System (TECC) is established in this paper, applying the techniques of B/S three-layer structure, Oracle database, AJAX and WebGIS. TECC is the first database system which aims at managing the data of trace elements in coal in China. It includes data management and analysis module, document management module, trace elements in coal data maintenance module and authority management module. The data entry specification is put forward in the present study and the spatial data is included in TECC system. The system achieves the functions of data query, analysis, management, maintenance and map browsing, thematic map drawing as well as satellite video display, which lay the foundation for the analysis of large data of trace elements in coal. It is a practical platform for the acquisition, management, exchange and sharing of trace element research and geochemical research data of coal.

Keywords: Database; data entry specification; spatial data; trace element in coal; WebGIS

ABSTRAK

Gabungan sistem maklumat geografi dan pengurusan data tenaga mineral membantu untuk menggalakkan kajian tenaga mineral dan kerosakan ekologi serta pencemaran alam sekitar yang disebabkan oleh pembangunan dan penggunaannya yang mempunyai nilai aplikasi penting. Sistem pengurusan pangkalan data unsur surih arang batu di China (TECC) telah dibangunkan dalam kertas ini dengan menggunakan teknik struktur B/S tiga lapisan, pangkalan data Oracle, AJAX dan WebGIS. TECC adalah sistem pangkalan data pertama yang bertujuan untuk menguruskan data unsur surih dalam arang batu di China. Ia merangkumi pengurusan data dan analisis modul, modul pengurusan dokumen, modul penyelenggaraan data unsur surih dalam arang batu serta autoriti pengurusan modul. Spesifikasi kemasukan data dikemukakan dalam kajian ini dan data ruang dimasukkan ke dalam sistem TECC. Sistem ini telah mencapai fungsi pertanyaan data, analisis, pengurusan, penyelenggaraan dan peta pelayaran, lukisan peta tema serta paparan video satelit yang meletakkan asas untuk analisis data yang besar daripada unsur surih dalam arang batu. Ia merupakan satu platform yang praktik untuk pengambilalihan, pengurusan, pertukaran dan perkongsian data penyelidikan unsur surih dan penyelidikan geokimia dalam arang batu.

Kata kunci: Data ruang; unsur surih dalam arang batu; pangkalan data; WebGIS; spesifikasi kemasukan data

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*Pengarang untuk surat-menyurat; email: baixue@cnis.gov.cn