ED SS (Environm en tal D ecision Suppo rt

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1 A CTA GEO GRA PH ICA S IN ICA V o l. 55, N o. 6 N ov., 2000 : (2000) , 1, 1, 2, 3 (11, ; 21, ; 31, ) : ED SS (Environm ental D ecision Suppo rt System ),, ED SS ;,, ED SS,, ED SS : ; ; ; ; ; ; : N 94511; X144 : A ED SS (Environm en tal D ecision Suppo rt System ) : (G IS), BA S IN S, A RCgV IEW, QUAL 2E N PSM ;, O ILM A P [1 ] [2 ] :, ; G IS,, ; ;, ED SS : : ; : (EG IS) : ; : : (19632),,, 16, 7, 22 E2m ail: ftzeng@public1guanzhou1gd1cn

2 6 : 653 (KBM S) (M BM S) (DBM S) (PPS) ( IS), ; :, ; :, 1 ED SS 111, ED SS, ED SS ( 1), g ED SS,,,,, : ED SS,,, 1 ED SS F ig11 T he Basic Structure of ED SS

3 ED SS 2,, ED SS : (DD E) ED SS,,, ED SS, ED SS DD E, ED SS, DD E, ED SS ED SS ED SS,,, G IS,,,, ED SS (M D I),,, 112 ED SS (EGIS) (OO EG IS), G IS, EG IS G IS, [3 ],,,,, G IS,, ;,, G IS, EG IS,, OO EG IS EG IS G IS,,, OO EG IS EG IS 6 G IS, G IS ; G IS G IS,, ; G IS G IS, ; ; ; G IS G IS EG IS ED SS,,, G IS,,

4 6 : 655, G IS, ED SS A RCgIN FO EG IS OO EG IS, G IS,, ED SS,,,, ED SS,, EG IS, 2 TN ETW Q,,, A SA O ILM A P COA STM A P W QM A P, ; G IS, G IS [4 ], G IS DBM S TN ETW Q N etw o rk), 211 TNETW Q (W ater Q uality M odel fo r T idal R iver ED SS :,,, ; :,, TN ETW Q, ; ; :, ; ;, 212 TNETW Q,,,, : 5Q 5t + 5(uQ ) - 5C 5t + 5(uC ) A 5t Α 5Q + 5Q = 0 (221) E x + ga 5Ν + 5C g n2 Q gq g A R 4g3 = 0 (222) + K (C - C s) = S L B (223)

5 X (m ) ; u (m gs) ; Q (m 3 gs) ; A (m 2 ) ; t (s) ; Ν (m ) ; g (m gs 2 ) ; Α (m 2 gs) ; n (sgm 1g3 ) ; R (m ) ; C (m ggl ) ; K Cs (1gs) (m ggl ) ; E x (m 2 gs) ; S L B (ggm 3 s) (221) (222) (223) [ 5 ] 213 TNETW Q ED SS,, DBM S G IS ED SS, ED SS [6 ] G IS 3 [6 ], G IS (DBM S),,,, ; G IS ; G IS TN ETW Q ED SS ED SS TNETW Q ED SS, TN ETW Q : 21411, TN ETW Q,, ED SS 21412, TN ETW Q 3,,,, TN ETW Q 3 ED SS ED SS G IS, ED SS,,,, EXCEL,, TN ETW Q, ED SS, 21414, ED SS G IS, ED SS,, ED SS

6 6 : 657, TN ETW Q M ann ing, M ann ing,, ED SS, ED SS 215 ED SS TNETW Q TN ETW Q, ED SS 3,,,,, ;,,, BOD 5 4m ggl ( 2) 2 F ig12 T yp ical user interface of spatial w ater quality query output

7 km 2, 12,,,, km,,,, , km, 1 207, 140, 19 ED SS 1995,, ED SS , g, g, g, g, g,,, BOD 5 ph SS DO CODM n NO 22N NO 32N 18, (GH ZB ) (1),,, ; (2) ( g g,, ED SS ),, ; (3) 3,, (2), ED SS 3, ED SS, g 10107%, g g 23115%, g 3715%, g g 17144%, g 5165%, g g 5192%, g 0126%, 3 ( ) 313, ED SS : : ,

8 6 : 659 ; : ED SS, ; :, ; : 10, ; : ED SS 4 3 ED SS F ig13 T he Pearl R iver delta w ater quality zoning output after ED SS op tim al analysis ED SS,, (References) : [1 ] Spaulding. COA STM A P: A n Integrated M onito ring and M odeling System to Suppo rt o il sp ill response [M ]. R hode Island: Sp ill

9 Science T echno logy, [ 2 ] Peng Zh iliang, L in Kui, Zeng Fantang. A n environm ental decision suppo rt system [J ]. E nv ironm ental S cience, 1996, 17 (5): ( In Ch inese) [,,. [J ]., 1996, 17 (5): ] [3 ] F raser A S, Hodgson K. O utline of an environm ental info rm ation system [J ]. E nv ironm ental M onitor A ssess, 1995 (36): [ 4 ] V assilio s A. T sih rintzis, 1996, use of geograph ic info rm ation system s (G IS) in w ater resources: a review [J ]. W ater R esou rce M anag em ent, 1996, 10 (4): [5 ] Zeng Fantang, Xu zhencheng, Chen xiancheng. A R eal- tim e M athem aticalm odel fo r T idal R iver N etwo rk s and Its A pp lication to the Pearl R iver Delta [A ]. In: Gam bo lati G. ComputationalM ethods in W ater Resources[C ]. Southamp ton, U K: Computational M echanics Publications, [6 ] Yee L eung. Intelligent Spatial D ecision Suppo rt System [M ]. H eidelberg, Germ any: Sp ringer- V erlag Berlin, Application of Env ironm en tal D ec ision Support System to W ater Quality M anagem en t ZEN G Fan2tang 1, L IN Ku i 1, SH EN Q ian 1, CH EN X ian2cheng 2, X IE Guo2liang 3 (1. S ou th Ch ina Institu te of E nv ironm ental S ciences, S E PA, Guang z hou , Ch ina; 2. Guang d ong P rov incial E nv ironm ental P rotection B u reau, Guang z hou , Ch ina; 3. E nv ironm ental P rotection B u reau of P any u C ity, Guang z hou , Ch ina) Abstract: ED SS is a comp rehen sive softw are system fo r w ater quality m anagem en t in tidal river netw o rk s in general and fo r the Pearl R iver D elta in specific. Its purpo se is to p rovide a p ractical too l w h ich cou ld assist governm en t agencies in decision m ak ing fo r the efficien t m anagem en t of w ater resou rces in term s of bo th quan tity and quality. By com b in ing the capab ilities of geograph ical info rm ation system ( G IS ), database m anagem en t system (DBM S), modelm anagem en t system (MM S) and expert system, ED SS in tegrates relevan t environm en tal databases, hydrodynam ic and w ater quality models, op tim ization p rocedu res, know ledge2based expert system s, and environm en tal regu lation s so that data, models, hum an in tu ition s, expertise, and po licies can be u sed in a seam less m anner. T h is paper first ou tlines the basic concep ts and ph ilo sophy adop ted in develop ing ED SS, the system arch itectu re, design featu res, imp lem en tation techn iques and facilities p rovided. T hereafter, the co re part of the system - the hydrodynam ic and w ater quality models are described b riefly. T he final con tribu tion in th is paper describes the app lication of ED SS to the Pearl R iver D elta, w h ich has the mo st comp licated tidal river netw o rk pattern s as w ell as the fastest econom ic developm en t in the w o rld. Examp les are given of the rea l2w o rld p rob lem s tha t can be add ressed u sing the system. T hese include t ran s2 bounda ry w a ter po llu t ion ana lysis, reg iona l d rink ing w a ter take2up site select ion, screen ing of impo rtan t po llu ters, environm en tal impact assessm en t, and w ater quality zon ing. It is illu strated that ED SS can p rovide efficien t and scien tific analytical too ls fo r p lann ing and decision2m ak ing purpo ses in the age of info rm ation. Key words: ED SS; G IS; DBM S; hydrodynam ic and w ater quality models; w ater quality zon ing; tidal river netw o rk s; the Pearl R iver D elta