%0 Journal Article
%T Simulation and Prediction on Space-Time Distribution of Water Quality in Dianchi Lake
%A Jun-Qiu Ren
%A Xian-Cheng Mao
%A Pin-Juan Zou
%J Open Journal of Modern Hydrology
%P 50-54
%@ 2163-0496
%D 2013
%I Scientific Research Publishing
%R 10.4236/ojmh.2013.31007
%X <p class=\"MsoNormal\">
	<span lang=\"EN-US\">It is very important in pollution treatment to clarify the space-time distribution of water quality in <!--?xml:namespace prefix = st1 /--><st1:place w:st=\"on\"><st1:placename w:st=\"on\">Dianchi</st1:placename> <st1:placetype w:st=\"on\">Lake</st1:placetype></st1:place>. Based on the sample data obtained from 10 observation stations every month from 2008 to 2009, it uses space-time semi</span><span lang=\"EN-US\">-</span><span lang=\"EN-US\">variogram and ordinary kriging method to simulate the space-time variance and distribution of water quality indictors (TN, TP, BOD, CODMn, DO, Chlorophyl-<i>¦Á</i>, etc.). Because the space-time semivariogram also has a certain of ex</span><span lang=\"EN-US\">-</span><span lang=\"EN-US\">trapolation function</span><span lang=\"EN-US\">.</span><span lang=\"EN-US\"> From the simulation results, the pollution is mainly concentrated at the North (Caohai) and the Southwest area (<st1:city w:st=\"on\"><st1:place w:st=\"on\">Haikou</st1:place></st1:city>), and water pollution has a increase trend</span><span lang=\"EN-US\">.</span><span lang=\"EN-US\"><!--?xml:namespace prefix = o /--><o:p></o:p></span> 
</p>
%K Dianchi Lake
%K Water Quality
%K Space-Time Distribution
%K Simulate
%K Space-Time Semivariogram
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=27247