| Marine spatio-temporal process semantics and its applications-taking the El Niño Southern Oscilation process and Chinese rainfall anomaly as an example |
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| 作者姓名： | XUE Cunjin DONG Qing XIE Jiong |
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| 作者单位： | Key Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China,Key Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China,State Key Laboratory of Resource and Environment Information System, Institute of Geographical Science and Natural Resources, Chinese Academy of Sciences, Beijing 100101, China |
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| 基金项目： | Foundation item： The National Basic Research Program of China under contract No. 2009CB723903; the National Natural Scicllcc Foundation of China under contract Nos 40901194 and 40801162; the Director Foundation of CEODE, CAS, under contr~ct No. Y2ZZ06101B. |
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| 摘 要： | Spatio-temporal semantics based on "object views" or "event views" has few abilities to represent and model the continuity and gradual oceanic phenomena or objects, which seriously limits the specific marine applications and knowledge discovery and data mining, so this paper proposes a hi- erarchical abstraction semantics with "marine spatio-temporal process→life span phases→evolution sequences→state units" and process objects included by level with "marine process objects→phase objects→sequence object→state objects" with the oceanic process characteristics into the marine process semantics. In addition, this paper designs the storage and representation of marine process objects using the backus normal forms (BNF) and abstract data type (ADT). Base on El Niño Southern Oscilation (ENSO) index and Chinese rain gauging station data, this paper also gives a case of study. The spatio-temporal analysis between ENSO process and Chinese rainfall anomalies shows that the marine spatio-temporal semantics not only can illustrate the spatial distribution of Chinese rainfall anomalies in different time scales at ENSO process, life span phases and state units, but also analyze the dynamic chan
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| 关 键 词： | 海洋现象 降水异常 时空语义 过程语义 振动性 中国 厄尔尼诺 应用 |
| 收稿时间： | 3/5/2010 12:00:00 AM |
| 修稿时间： | 2011/11/7 0:00:00 |
Marine spatio-temporal process semantics and its applications-taking the El Niño Southern Oscilation process and Chinese rainfall anomaly as an example |
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| XUE Cunjin,DONG Qing,XIE Jiong.Marine spatio-temporal process semantics and its applications-taking the El Niño Southern Oscilation process and Chinese rainfall anomaly as an example[J].Acta Oceanologica Sinica,2012,31(2):16-24. |
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| Authors: | XUE Cunjin DONG Qing and XIE Jiong |
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| Institution: | 1.Key Laboratory of Digital Earth Science, Center for Earth Observation and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China2.State Key Laboratory of Resource and Environment Information System, Institute of Geographical Science and Natural Resources, Chinese Academy of Sciences, Beijing 100101, China |
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| Abstract: | Spatio-temporal semantics based on “object views” or “event views” has few abilities to represent and model the continuity and gradual oceanic phenomena or objects, which seriously limits the specific marine applications and knowledge discovery and data mining, so this paper proposes a hierarchical abstraction semantics with “marine spatio-temporal process→life span phases→evolution sequences→state units” and process objects included by level with “marine process objects→phase objects→sequence object→state objects” with the oceanic process characteristics into the marine process semantics. In addition, this paper designs the storage and representation of marine process objects using the backus normal forms (BNF) and abstract data type (ADT). Base on El Niño Southern Oscilation (ENSO) index and Chinese rain gauging station data, this paper also gives a case of study. The spatio-temporal analysis between ENSO process and Chinese rainfall anomalies shows that the marine spatio-temporal semantics not only can illustrate the spatial distribution of Chinese rainfall anomalies in different time scales at ENSO process, life span phases and state units, but also analyze the dynamic changes of Chinese rainfall anomalies in different life span phases or state units within ENSO evolution. |
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| Keywords: | marine process semantics hierarchical abstraction and inclusion by level ENSO proc-ess rainfall anomalies |
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