WATER-QUALITY TRENDS IN THE NATIONS RIVERS

被引:292
作者
SMITH, RA [1 ]
ALEXANDER, RB [1 ]
WOLMAN, MG [1 ]
机构
[1] JOHNS HOPKINS UNIV,DEPT GEOG & ENVIRONM ENGN,BALTIMORE,MD 21218
关键词
D O I
10.1126/science.235.4796.1607
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
引用
收藏
页码:1607 / 1615
页数:9
相关论文
共 75 条
[1]   SOME LONG-TERM TRENDS IN WATER QUALITY OF RIVERS AND LAKES [J].
ACKERMAN.WC ;
HARMESON, RH ;
SINCLAIR, RA .
TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1970, 51 (06) :516-&
[2]   EXACT CONDITIONAL TESTS FOR CROSS-CLASSIFICATIONS - APPROXIMATION OF ATTAINED SIGNIFICANCE LEVELS [J].
AGRESTI, A ;
WACKERLY, D ;
BOYETT, JM .
PSYCHOMETRIKA, 1979, 44 (01) :75-83
[3]  
[Anonymous], 1976, FED REGISTER, V41, p[11, 458]
[4]  
[Anonymous], 1983, ACID DEPOSITION ATMO
[5]  
[Anonymous], 1984, HEAVY METALS NATURAL
[6]  
BIESECKER JE, 1975, 460E US GEOL SURV
[7]  
BREZONIC PL, 1972, NUTRIENTS NATURAL WA
[8]  
Brezonik PL, 1974, AQUEOUS ENV CHEM MET, P167
[9]  
BRIGGS JC, 1984, 2250 US GEOL SURV WA
[10]  
BRIGGS JC, 1984, STATE ENV