Lake KizakiASI-32

Title : Monthly mean by depth (1982-1986) for Station 1 and Station 2

Classification of data : E5 COD

File Name : asi-32-e5.txt

            E. LAKE WATER QUALITY


SITE  : Lake Center
YEAR  : 2015
SOURCE: Nagano Prefectural Government FY:Heisei27 Water Quality Measurement Report


E1 TRANSPARENCY [m]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
                3.9      5       7       4       7      4.2      6      3.5


E2 pH
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           6.5     7.7     7.6     7.7     7.8     8.8     8.5     7.8
 25             6,5     7.3     6.3     6.5     7.1     6.9     7.0     6.3


E3 SS [mh l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           1        1       <1      7      <1       1      <1       4
 25             1        1       8      <1       1      <1      <1      <1


E4 DO [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           11      10      9.1     10      8.5     9.5     9.8     9.8
 25             9.7     5.6     2.0     3.0     0.5     0.6     0.5    <0.5


E5 COD [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           0.8     1.5     1.5     4.0     1.4     2.0     1.6     3.4
 25             0.7     1.3     2.5     1.5     3.1     3.6     4.0     4.9


E7 NITROGEN CONCENTRATION
Total-N [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           0.24   0.16    0.16     0.23    0.08    0.15    0.06    0.21
 25             0.28   0.39    0.70     0.41    0.63    0.74    0.79    0.77


E8 PHOSPHORUS CONCENTRATION (5)
Total-P [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           0.007  0.005  <0.003   0.028   0.004   0.006   0.004   0.013
 25             0.008  0.008   0.025   0.022   0.025   0.037   0.033   0.073





SOURCE: Data Book of World Lake Environments


E1 TRANSPARENCY [m](5)

SITE: Station 1
YEAR: 1985

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
                -	-	-	2.5	4.0	3.5	3.5	6.5	7.5	7.5	10	5.0


E2 pH (5)
Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	-	7.4	7.3	9.2	7.2	7.5	7.4	7.7	7.8	6.8
  29	        -	-	-	6.6	6.6	6.5	6.4	7.6	6.4	6.5	7.8	6.8


E3 SS [mg l-1](5)
Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	-	<1	2	2	2	1	3	2	2	1
  29 	        -	-	-	<1	2	<1	4	4	4	3	4	2


E4 DO [mg l-1](5)
Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	-	11	10	9.9	9.6	8.5	8.6	9.4	9.5	8.9
  29	        -	-	-	8.5	8.6	6.1	3.1	0.8	0.9	1.0	0.2	6.2


E5 COD [mg l-1](5)
Determined by KMnO4 method.
Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	-	2.3	2.1	3.0	1.2	1.6	1.3	<0.5	1.0	0.9
  29	        -	-	-	1.5	1.1	1.8	1.3	0.8	1.1	1.6	2.3	1.0


E6 CHLOROPHYLL CONCENTRATION [micro l-1](Q)
Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0	        -	-	-	-	0.5	-	0.5	2.1	6.4	7.8	0.4	2.1
  2	        -	-	-	-	1.0	-	1.8	1.7	6.0	14.6	1.0	2.0
  5	        -	-	-	-	0.9	-	4.4	0.9	1.8	1.3	1.2	2.2
 10	        -	-	-	-	0.5	-	2.7	0.9	0.5	0.6	0.7	2.1
 20	        -	-	-	-	0.5	-	1.0	0.3	0.4	1.1	0.5	1.0


E7 NITROGEN CONCENTRATION (5)
Total-N [mg l-1]

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	-	0.47	0.49	0.36	0.27	<0.29	0.19	0.14	0.15	0.44
 29	        -	-	-	0.71	0.72	0.90	0.88	0.58	0.56	0.44	1.2	0.47


E8 PHOSPHORUS CONCENTRATION (5)
Total-P [mg l-1]

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
---------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	-	.012	.015	.007	.005	.035	.006	.005	.004	.008
 29	        -	-	-	.009	.009	.015	.011	.005	.010	<.003	.057	.008