KS I ISO 15709-2009 Soil quality－Soil water and the unsaturated zone－Definitions symbols and theory《土质 土壤水分和未饱和生物圈 定义、符号和理论》.pdf

1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 15709 , , KS I ISO 15709 :2009 2009 12 18 http:/www.kats.go.krKS I ISO 15709:2009 : ( ) ( ) ( ) ：(ISO/TC190) () ( ) () : (http:/www.standard.go.kr) ： ：2004 9 30 ：2009 12 18 2009-0830 ： ： (ISO/TC190) ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . K

2、S I ISO 15709:2009 , , Soil qualitySoil water and the unsaturated zone Definitions, symbols and theory 2002 1 ISO 15709, Soil qualitySoil water and the unsaturated zone Definitions, symbols and theory , . 1 , , . ISO/TC 190 . 2 8, 9, 10 . 2.1 2.1.1 w105 . (dimensionless). 2.1.2 w w105 . . KS I ISO 1

3、5709:2009 2 2.1.3 h m ( ) (soil matric head) 2.1.4 K (Darcys equation) (isotropic condition) (, vKh h ) (flux density) (factor of proportionality) m/s. 2.2 (equivalents) 2.2.1 kg joules(J/kg) . 2.2.1.1 ( ) et , (pure water) . 2.2.1.2 (, pneumatic) e a , . 2.2.1.3 e g , . 2.2.1.4 e m , . 2.2.1.5 e oK

4、S I ISO 15709:2009 3 , . 2.2.1.6 (pore water) , (tensiometer) e p , e a 0 (e p e m ). 2.2.1.7 (hydraulic) e h, , 0(e a e o 0) (e h e t ). 2.2.2 (pressure equivalent) pascal(Pa) . 2.2.2.1 p . 2.2.2.2 p t , . 2.2.2.3 () p a , . 2.2.2.4 p g , . KS I ISO 15709:2009 4 2.2.2.5 p m , . 2.2.2.6 p o , . 2.2.

5、2.7 p p 1 , p a 0 (p p p m ). 2 . 2.2.2.8 p h, , 0(p a p 0 0) (p h p t ). 2.2.3 (水頭) (head equivalent) (m) . 2.2.3.1 h . 2.2.3.2 h t , . KS I ISO 15709:2009 5 2.2.3.3 () h a , . 2.2.3.4 h g , . 2.2.3.5 h m , . 2.2.3.6 h o , . 2.2.3.7 h p , h a 0 (h p h m ). 2.2.3.8 h h , , 0(h a h o 0) (h h h t ). 3

6、 g , (m/s 2 ) h ( ), (m) h a , (m) h g , (m) KS I ISO 15709:2009 6 h h (h a ) (h g ) (h m ), (m) h m , (m) h o , (m) h p (h a ) (h m ), (m) h t h a h g h m h o , (m) m (kg) p ( ), (N/m 2 Pa) p a , (Pa) p g , (Pa) p h (p a ) (p g ) (p m ), (Pa) p m , (Pa) p o , (Pa) p p(pore) (p a ) (p m ), (Pa) p t

7、p a p g p m p o , (Pa) t , (s) v , (m/s) v (flux) , (m/s) w w (water content mass fraction) z , vertical coordinate, , positive upwards, (m) D , (m 2 /s) K , (m/s) K(h m ) h m . K( ) . S ( .) V , , (s 1 ) (kg/m 3 ) a (kg/m 3 ) b, 3 (kg/m 3 ) d , (kg/m 3 ) s ( ) (kg/m 3 ) w ( ), (kg/m 3 ) (kg/m 3 ) a

8、 (kg/m 3 ) s ( )(kg/m 3 ) w ( ) (kg/m 3 ) ( .) a s e (J/kg) e a (J/kg) e g (J/kg) e h (e a ) (e g ) (e m ) (J/kg) KS I ISO 15709:2009 7 e m , (J/kg) e o , (J/kg) e p e a e m , (J/kg) e t e a e g e m e o ., (J/kg) 4 4.1 4.1.1 3 , . s ： w ： a . . H 2 O . 5 (saturated zone is a special case of the unsa

9、turated zone). . 4.1.2 (kg/m 3 ) ( ) , . , . . b s w a 4.1.3 s . . s s s4.1.4 a phase (m 3 m 3 1) phase . / . . 1 s4.1.5 w (m 3 m 3 1) . w . w w (kg/kg1) . . . . KS I ISO 15709:2009 8 w w w ( S/ w ) S 1 . . w S 4.2 4.2.1 . . . . e t . e t e a e g e m e o ., e a ： , (J/kg) e g ： , (J/kg) e m ： , (J/k

10、g) e o ： , (J/kg) (equivalent) . . (J/m 3 Pa) . p t . p t p a p g p m p o p a ： , (Pa) p g ： , (Pa) p m ： , (Pa) p o ： , (Pa) p m . . . (JN 1 m) . h t . h t h a h g h m h o h a ： , (m) h g ： , (m) h m ： , (m) h o ： , (m) KS I ISO 15709:2009 9 h a h p h m h a . h p h m . h h h g h p . , h h = h t , .

11、 e t p t / w gh tg . w . w ( ) . . . . 4.2.2 (h m ) ( ) . (hysteresis) . 4.3 4.3.1 (flux) (m 3 /m 2 /s 1 m/s) v . v (m/s) . v v . x, y, z . / t v (differential vector operator, m 1 ), v . ( ) (m 3 /m 3 /ss) sink source. 4.3.2 , Darcys . v 1. h h , (m/s), K z m h h K h K h K v Darcys (laminar flow) .

12、 . K h m K . K h m K h m . 4.3.3 . 2, 4. 7. Mualem6 Burd ine1 . Van Genuchten7 h m . KS I ISO 15709:2009 10 1 BURDINE, N.T. Relative permeability calculations from pore-size distribution data. Trans. ASME, 198 (1953), pp. 71-78 2 GREEN, R.E., AHUJA, L.R. and CHONG, S.K Hydraulic conductivity, diffus

13、ivity, and sorptivity of unsaturated soils: Field methods. In: A. Klute (ed.), Methods of Soil Analysis, Part I, Physical and Mineralogical Methods, Agronomy Monograph No. 9, 2nd edn., pp. 771-798, Amer. Soc. Agron., Madison, WI, USA, (1986) 3 HILLEL, D. Fundamentals of Soil Physics. Academic Press,

14、 New York, 413 pp., 1980 4 KLUTE, A. and DIRKSEN, C. Hydraulic conductivity and diffusivity: Laboratory methods. In: A. Klute (ed.), Methods of Soil Analysis, Part I, Physical and Mineralogical Methods, Agronomy Monograph No. 9 (2nd edn) pp. 687-734, Amer. Soc. Agron., Madison, WI, USA, (1986) 5 KOO

15、REVAAR, P., MENELIK, G. and DIRKSEN, C. Elements of Soil Physics. Devel. Soil Sci., 13. Elsevier, The Netherlands, (1983), 228 pp. 6 MUALEM, Y. A new model for predicting the hydraulic conductivity of unsaturated porous media. Water Resource Res., 12, (1976) pp. 513-522 7 VAN GENUCHTEN, M.Th., LEIJ,

16、 F.J. and LUND, L.J. (eds). Indirect methods for estimating the hydraulic properties of unsaturated soils. Proc. International Workshop, October 1989. University of California Press, Riverside, CA, USA, (1993) 8 Anonymous. Glossary of soil science terms. Soil Science Society of America, Madison, WI,

17、 USA(1997) 9 BOLT, G.H., IWATA, S., PECK, A.J., RAATS, P.A.C., RODE, A.A., VACHAUD, G. and VORONIN, A.D. Soil Physics Terminology. Report of the second terminology committee of Commission of the International Society of Soil Science (ISSS 1973-1975) 49 (1976), pp. 26-36 10 ROSE, D.A. Soil water: Qua

18、ntities, units and symbols. J. Soil Sci., 30 (1979), pp. 1-16 , , 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS I ISO 15709 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Soil quality Soil water and the unsaturated zone Definitions, symbols and theory ICS 13.080.40 Korean Agency for Technology and Standards http:/www.kats.go.kr