The Analysis of Trends and Seasonal Patterns of Temperature and Chlorophyll in a Freshwater Scottish Lake

被引：0

作者：

Hamzah, Firdaus Mohamad ^{[1
]}

Ismail, Mohd Tahir ^{[2
]}

Mohammad, Rofizah ^{[3
]}

Sabri, Samsul Rijal Mohamad ^{[3
]}

Arbin, Norazman ^{[4
]}

机构：

[1] Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Unit Fundamental Engn Studies, Bangi 43600, Malaysia

[2] Univ Sains Malaysia, Sch Math Sci, Gelugor 11800, Penang, Malaysia

[3] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Math Sci, Bangi 43600, Malaysia

[4] Sultan Idris Educ Univ, Fac Sci & Math, Tanjung Malim 35900, PQ, Malaysia

来源：

PROCEEDINGS OF THE 21ST NATIONAL SYMPOSIUM ON MATHEMATICAL SCIENCES (SKSM21): GERMINATION OF MATHEMATICAL SCIENCES EDUCATION AND RESEARCH TOWARDS GLOBAL SUSTAINABILITY | 2014年 / 1605卷

关键词：

Parametric and Nonparametric Regression Models; Trend; Seasonal Pattern; Temperature and Chlorophyll;

D O I：

10.1063/1.4887713

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Information on temperature and chlorophyll concentration at global or regional scales in a lake is fundamental for the study of freshwater. Investigating long-term trends and seasonal patterns in these variables is essential in order to describe changes in lake characteristics. In this paper, several modelling approaches which consist of parametric and nonparametric regression models are applied to determine the trends over time and seasonal patterns in each of these two variables, from 1987 to 2005. Two sites of interest are Cailness and Creinch, which are located in the north and south basins, of Loch Lomond, respectively. The results show there is a significant trend in surface water temperature at Cailness. However, no significant trend is suggested in chlorophyll at both sites and there is evidence of constant seasonal patterns for all of the variables, at both sites.

引用

页码：923 / 927

页数：5

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