Yukon River 2002 Data Analysis

Last updated on Mar 13, 2024 5 min read Research

Map of Yukon River drainage

Sampling site: between the Dalton Highway Bridge and the USGS Stevens Village hydrological station

![map](image/Yukon/map of Yukon River.jpg)

Daily Discharge and Sampling Date

![daily discharge](image/Yukon/Daily discharge.jpg)

Monthly integrated discharge

![monthly discharge](image/Yukon/Monthly integrated.jpg)

Precipitation

Three fluorescence components by PARAFAC Analysis-revised

Excitation and emission maximum

Components	Ex max (nm)	Em max (nm)	Property
C1	240/315	432	Humic-like
C2	260/365	494	Humic-like
C3	<240/295	374	Humic-like

LMW-DOM-COM

Fluorescence components ratios

![](image/Yukon/components ratio.jpg)

Normalized PARAFAC components-DOM

Normalized PARAFAC components-COM

Normalized PARAFAC components-LMW

Figure 6 from Guo et al.

![fig6guo](image/Yukon/Fig6 from Guo.jpg)

S275-295 vs %C1, C2, C3

![](image/Yukon/Correlation between S275-295vsC1-C3-2.jpg)

Hydrodynamic diameters distribution of colloids in the Yukon River upper stream in 2002.

UV1

![](image/Yukon/Multiple samples - Hydrodynamic diameter (nm) UV1 Yukon 01 COM.jpg)

UV2

![](image/Yukon/Multiple samples - Hydrodynamic diameter (nm) UV2 Yukon 01 COM.jpg)

Fluorescence 1 -

![](image/Yukon/Multiple samples - Hydrodynamic diameter (nm) FLD1 Yukon 01 COM.jpg)

Fluorescence 2 -

![](image/Yukon/Multiple samples - Hydrodynamic diameter (nm) FLD2 Yukon 01 COM.jpg)

size distribution (molecular weights)

UV1

![](image/Yukon/Multiple samples - Molecular weights(kDa) UV1 Yukon 01 COM.jpg)

UV2

![](image/Yukon/Multiple samples - Molecular weights(kDa) UV2 Yukon 01 COM.jpg)

Fluorescence 1 (Ex/Em = 350 nm /450 nm)

![](image/Yukon/Multiple samples - Molecular weights(kDa) FLD1 Yukon 01 COM.jpg)

Fluorescence 2 (Ex/Em = 275 nm/ 340 nm)

![](image/Yukon/Multiple samples - Molecular weights(kDa) FLD2 Yukon 01 COM.jpg)

Integrations of each size intervals - Size distribution of colloidal organic matter

UV1

![](image/Yukon/Multiple samples - Integrations of each size intervals nm UV1 Yukon 01 COM.jpg)

UV2

![](image/Yukon/Multiple samples - Integrations of each size intervals nm UV2 Yukon 01 COM.jpg)

Fluorescence 1 (Ex/Em = 350 nm /450 nm)

![](image/Yukon/Multiple samples - Integrations of each size intervals nm FLD1 Yukon 01 COM.jpg)

Fluorescence 2 (Ex/Em = 275 nm/ 340 nm)

![](image/Yukon/Multiple samples - Integrations of each size intervals nm FLD2 Yukon 01 COM.jpg)

Integrations of size intervals - size distribution of colloids in molecular weights

UV1

![](image/Yukon/Multiple samples - Integrations of each size intervals Da UV1 Yukon 01 COM.jpg)

UV2

![](image/Yukon/Multiple samples - Integrations of each size intervals Da UV2 Yukon 01 COM.jpg)

Fluorescence 1 (Ex/Em = 350 nm /450 nm)

![](image/Yukon/Multiple samples - Integrations of each size intervals Da FLD1 Yukon 01 COM.jpg)

Fluorescence 2 (Ex/Em = 275 nm/ 340 nm)

![](image/Yukon/Multiple samples - Integrations of each size intervals Da FLD2 Yukon 01 COM.jpg)

Total data

Sample_Name	a254	SUVA	S275-295	TOC	TN	DOC/TN	Weight	Carbon percentage	Nitrogen percentage	MCHO	%MCHO
	m-1	m-1/uM	nm-1	(uM)	(uM)		mg	%	%	(uM-C)	%
YR_<1kDa1	6.35	0.06	0.021	114.68	3.8	30.2	3.01	4.57	0.18	14.85	12.95
YR_<1kDa2	4.19	0.05	0.032	76.36	3.77	20.25	3.62	2.53	0.15	13.64	17.86
YR_<1kDa3	2.04	0.05	0.05	38.03	3.29	11.55	3.36	1.36	0.14	13.18	34.65
YR_<1kDa4	2.3	0.05	0.053	48.39	1.62	29.94	3.08	1.89	0.07	15.66	32.36
YR_<1kDa5	2.86	0.05	0.046	57.51	2.85	20.19	3.11	2.22	0.13	16.89	29.37
YR_<1kDa6	2.75	0.06	0.045	50.03	1.97	25.45	3.71	1.62	0.07	6.29	12.57
YR_DOM1	7.61	0.07	0.014	101.64	3.03	33.53	2.95	4.13	0.14	21.43	21.08
YR_DOM2	4.77	0.07	0.014	65.01	3.28	19.79	3.24	2.41	0.14	16.03	24.65
YR_DOM3	4.61	0.11	0.017	41.94	2.53	16.55	3.96	1.27	0.09	12.53	29.87
YR_DOM4	5.91	0.15	0.016	38.22	2.08	18.42	3.16	1.45	0.09	5.8	15.18
YR_DOM5	5.27	0.11	0.017	47.44	2.56	18.51	3.62	1.57	0.1	16.39	34.55
YR_DOM6	3.36	0.09	0.015	37.38	1.92	19.47	2.98	1.51	0.09	8.98	24.01
YR_COM1	39.53	0.13	0.024	311.89	7.01	44.5	1.91	19.6	0.51	105.83	33.93
YR_COM2	58.46	0.12	0.028	490.13	11.44	42.83	3.32	17.72	0.48	141.08	28.78
YR_COM3	21.76	0.11	0.025	200.24	5.63	35.57	1.67	14.39	0.47	55.48	27.71
YR_COM4	24.83	0.11	0.019	220.32	5.31	41.46	1.79	14.77	0.42	73.61	33.41
YR_COM5	16.23	0.12	0.026	138.85	4.33	32.03	1.65	10.1	0.37	55.44	39.92
YR_COM6	35.58	0.11	0.033	320.39	6.5	49.29	2.95	13.03	0.31	81.23	25.35

Sample_Name	FIX	BIX	HIX	%FIX	%BIX	%HIX	C1	C2	C3	%C1	%C2	%C3

YR_<1kDa1	1.34	0.59	7.51	0.01	0.01	0.07	5.421	15.402	11.369	0.047	0.134	0.099
YR_<1kDa2	1.3	0.49	6.75	0.02	0.01	0.09	3.912	12.088	8.324	0.034	0.105	0.073
YR_<1kDa3	1.28	0.59	5.33	0.03	0.02	0.14	1.818	5.289	3.717	0.016	0.046	0.032
YR_<1kDa4	1.31	0.59	5.58	0.03	0.01	0.12	1.734	4.999	3.566	0.015	0.044	0.031
YR_<1kDa5	1.25	0.52	7.22	0.02	0.01	0.13	2.06	5.472	4.263	0.018	0.048	0.037
YR_<1kDa6	1.34	0.58	5.58	0.03	0.01	0.11	2.135	5.725	4.414	0.019	0.05	0.038
YR_DOM1	1.37	0.61	7.58	0.01	0.01	0.07	5.353	15.205	10.979	0.047	0.133	0.096
YR_DOM2	1.32	0.56	3.69	0.02	0.01	0.06	3.997	12.736	8.304	0.035	0.111	0.072
YR_DOM3	1.31	0.63	6.48	0.03	0.02	0.15	2.586	7.11	5.365	0.023	0.062	0.047
YR_DOM4	1.3	0.56	5.04	0.03	0.01	0.13	1.979	5.927	4.173	0.017	0.052	0.036
YR_DOM5	1.26	0.58	4.81	0.03	0.01	0.1	2.683	7.211	5.505	0.023	0.063	0.048
YR_DOM6	1.34	0.59	5.82	0.04	0.02	0.16	1.993	5.181	4.126	0.017	0.045	0.036
YR_COM1	1.03	0.39	13.66	0	0	0.04	23.412	24.319	34.765	0.204	0.212	0.303
YR_COM2	1.06	0.42	15.09	0	0	0.03	35.498	35.186	49.029	0.31	0.307	0.428
YR_COM3	1.04	0.44	13.72	0.01	0	0.07	14.185	17.107	22.409	0.124	0.149	0.195
YR_COM4	1.09	0.48	14.91	0	0	0.07	16.139	17.396	25.885	0.141	0.152	0.226
YR_COM5	1.09	0.47	12.62	0.01	0	0.09	10.179	11.375	16.713	0.089	0.099	0.146
YR_COM6	1.09	0.49	16.2	0	0	0.05	24.492	24.344	36.793	0.214	0.212	0.321

Figures from literatures

![data](image/Yukon/Basic data.jpg) ![data2](image/Yukon/Basic data2.jpg) ![data3](image/Yukon/Basic data3.jpg)

DOC&CHO Concentration

![doc](image/Yukon/DOC table.jpg) ![doc2](image/Yukon/DOC table2.jpg)

DOC HMW & LMW

![DOC1](image/Yukon/DOC figure.jpg)

Variations of dissolved organic carbon in the HMW (1kDa–0.45 um) and the LMW (<1kDa) fractions

CHO MCHO&TCHO

![CHO](image/Yukon/CHO figure.jpg)

Concentrations of carbohydrate species, including monosaccharides (MCHO) and polysaccharides (PCHO), in the <0.45 um DOM fraction.

Comparison of HMW and LMW

Comparison btw/ Fig 2 from Zou et al. and Fig 4 from Guo et al.

Fig 4 from Zou et al.

Fig 5 from Zou et al.

DOC POC DIC

Isotope Information

Isotope source difference

Edit this page

Research

Yukon River 2002 Data Analysis

Map of Yukon River drainage

Daily Discharge and Sampling Date

Monthly integrated discharge

Precipitation

Three fluorescence components by PARAFAC Analysis-revised

Excitation and emission maximum

LMW-DOM-COM

Fluorescence components ratios

Normalized PARAFAC components-DOM

Normalized PARAFAC components-COM

Normalized PARAFAC components-LMW

Figure 6 from Guo et al.

S275-295 vs %C1, C2, C3

Hydrodynamic diameters distribution of colloids in the Yukon River upper stream in 2002.

UV1

UV2

Fluorescence 1 -

Fluorescence 2 -

size distribution (molecular weights)

UV1

UV2

Fluorescence 1 (Ex/Em = 350 nm /450 nm)

Fluorescence 2 (Ex/Em = 275 nm/ 340 nm)

Integrations of each size intervals - Size distribution of colloidal organic matter

UV1

UV2

Fluorescence 1 (Ex/Em = 350 nm /450 nm)

Fluorescence 2 (Ex/Em = 275 nm/ 340 nm)

Integrations of size intervals - size distribution of colloids in molecular weights

UV1

UV2

Fluorescence 1 (Ex/Em = 350 nm /450 nm)

Fluorescence 2 (Ex/Em = 275 nm/ 340 nm)

Total data

Figures from literatures

DOC&CHO Concentration

DOC HMW & LMW

CHO MCHO&TCHO

Comparison of HMW and LMW

Comparison btw/ Fig 2 from Zou et al. and Fig 4 from Guo et al.

Fig 4 from Zou et al.

Fig 5 from Zou et al.

DOC POC DIC

Isotope Information

Isotope source difference

Dr. Hui Lin (林辉)

Assistant Researcher

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