Lake NojiriASI-43

Title : Transparency, pH, SS, DO, COD, TN and TP (1983-1985, 2015)

Classification of data : E1-E8 Typical Water Quality Parameters

File Name : asi-43-e.txt

            E. LAKE WATER QUALITY (2)


SITE: Lake Center
YEAR: FY2015


E1 TRANSPARENCY [m]

Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           4.5     6.5     8.0     6.0     7.5     7.0     7.0     6.5     5.3     4.0     5.0     7.0
 34.0           4.5     6.5     8.0     6.0     7.5     7.0     7.0     6.5     5.3     4.0     5.0     7.0


E2 pH
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           8.0     8.1     6.6     7.3     9.5     7.7     6.9     7.0     7.8     7.5     8.1     8.0
 34.0           8.3     7.9     6.6     7.3     8.3     7.4     6.9     7.1     7.5     7.1     8.2     7.8


E3 SS [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5           <1      <1      <1      <1      <1      <1      <1      <1      <1      <1       1      <1
 34.0           <1      <1       1       1      <1      <1       1      <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      8.6     8.6     9.5     8.7     8.0     9.7     10      9.6     10      12
 34.0           11      9.6     8.6     7.8     8.2     8.3     2.4     2.4     2.4     9.7     11      12


E5 COD [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5          1.2      1.9     2.1     2.3     1.7     1.9     2.3     2.1     2.1     1.8     1.5     2.0
 34.0          1.0      1.9     1.8     2.0     1.5     1.2     1.6     1.3     1.4     2.0     1.6     1.9


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          0.17    0.20    0.21    0.09    0.06    0.08    0.14    0.10    0.18    0.15     0.11    0.14
 34.0          0.16    0.20    0.25    0.31    0.29    0.26    0.34    0.33    0.27    0.14     0.06    0.14



E8 PHOSPHORUS CONCENTRATION
Total-P [mg l-1]
Month   	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec     Jan     Feb     Mar
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5          0.009   0.006   0.007   0.006   0.004   0.007   0.007   0.006   0.005   0.008   0.004   0.004
 34.0          0.003   0.008   0.010   0.009   0.005   0.004   0.010   0.006   0.005   0.008   0.005   0.004





E1 TRANSPARENCY [m]

SITE: Station 1
YEAR: 1983-1985

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
    -           3.8	 -	4.0*	3.8	3.9	5.4	5.3	3.9	5.1	4.2	5.3	4.0
* 1984-1985.


E2 pH
SITE: Station 1

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        7.5	-	5.0*1	7.2	7.8	7.8	7.8	7.6	7.7	7.8	7.5	7.4
  *2	        7.4	-	4.2*3	7.2	-	-	7.8	-	-	7.8	-	-
*1 1984-1985. *2 3.2-6.9. *3 1985.


E3 SS [mg l-1]
SITE: Station 1

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	         2	-	<1*1	2	2	1	1	1	2	1	1	3
  *2	         2	-	<1*3	2	-	-	2	-	-	2	-	-
*1 1984-1985. *2 3.2-6.9. *3 1985.


E4 DO [mg l-1]
SITE: Station 1

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        11	-	12*1	10	9.9	8.3	8.0	7.0	7.8	9.3	10	9.7
  *2	        11	-	11*3	-	-	-	7.9	-	-	9.4	-	-
* 1984-1985. *2 3.2-6.9. *3 1985.


E5 COD [mg l-1]
SITE: Station 1

Determined by KMnO4 method.

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        1.5	-	1.5*1	1.3	1.6	1.1	1.4	1.7	1.3	1.3	1.8	1.4
   *2	        1.4	-	1.5*3	1.4	-	-	1.6	-	-	1.6	-	-
*1 1984-1985. *2 3.2-6.9. *3 1985


E7 NITROGEN CONCENTRATION
Total-N [mg l-1]

SITE: Station 1

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	.12*1	-	-	-	.12	-	-	-	-	-
  *2	        -	-	-	-	-	-	.13	-	-	-	-	-
*1 1983 and 1985. *2 3.2-6.9.


E8 PHOSPHORUS CONCENTRATION
Total-P [mg l-1]

SITE: Station 1

Month   	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
----------------------------------------------------------------------------------------------------------------
Depth [m]
  0.5	        -	-	.018*1	-	-	-	.008	-	-	-	-	-
  *2	        -	<.005	-	-	-	-	.015	-	-	-	-	-
*1 1984-1985. *2 3.2-6.9.