Network-at-a-Glance

Sites

• Sites registered in AmeriFlux 660
• Sites that have downloadable flux data 492
• Site years of downloadable AmeriFlux flux data 3435
• Number of AmeriFlux Core Sites 44
• Number of Registered AmeriFlux Sites by Year
Show Chart Data

Years	Number of AmeriFlux Sites
1991	1
1993	2
1994	3
1995	4
1996	5
1997	11
1998	14
1999	23
2000	28
2001	45
2002	59
2003	67
2004	87
2005	97
2006	102
2007	120
2008	121
2009	124
2011	127
2012	128
2013	170
2014	210
2015	235
2016	262
2017	301
2018	386
2019	472
2020	522
2021	559
2022	589
2023	636
2024	660

• Five most recent sites to join the Network

Site ID	Join Date
US-WT1	2024/03/29
US-DS2	2024/03/28
BR-Ji3	2024/03/05
BR-Moj	2024/03/05
US-FBE	2024/03/05

Geography

• Sites by country

Country	Site Count
Argentina	7
Brazil	16
Canada	71
Chile	3
Colombia	2
Costa Rica	5
Mexico	13
Panama	2
Peru	5
Puerto Rico	2
USA	534

• Sites in each IGBP landcover
Show Chart Data

IGBP	Site Count
Barren Sparse Vegetation	8
Closed Shrublands	13
Cropland/Natural Vegetation Mosaics	13
Croplands	135
Deciduous Broadleaf Forests	59
Deciduous Needleleaf Forests	1
Evergreen Broadleaf Forests	18
Evergreen Needleleaf Forests	103
Grasslands	88
Mixed Forests	17
Open Shrublands	40
Permanent Wetlands	115
Savannas	8
Snow and Ice	1
Urban and Built-Up Lands	16
Water Bodies	12
Woody Savannas	13

Registered AmeriFlux Members

• AmeriFlux members 17135
• New AmeriFlux members in the past year 2788

Downloads of AmeriFlux BASE flux data since November, 2015
(from ameriflux.lbl.gov)

• Total unique downloads 37826
• AmeriFlux sites whose data have been downloaded 492
• Users who have downloaded AmeriFlux BASE flux data 6258
• How do people use the AmeriFlux BASE flux data?
Show Chart Data

Intended Use	Use Count
Education (Teacher or Student)	8547
Other	2010
Research - Land model/Earth system model	9251
Research - Multi-site synthesis	4575
Research - Other	5199
Research - Remote sensing	8163

Downloads of FLUXNET2015 data since January, 2016
(from fluxnet.org)

• Total unique downloads 33064
• AmeriFlux sites whose data have been downloaded 86
• Users who have downloaded FLUXNET2015 data for AmeriFlux sites 7083
• How do people use the FLUXNET2015 data?
Show Chart Data

Intended Use	Use Count
Education (Teacher or Student)	7097
Other	3199
Research - Land model/Earth system model	6621
Research - Multi-site synthesis	5086
Research - Other	2352
Research - Remote sensing	8627

AmeriFlux Data & Data Processing

• AmeriFlux BASE Site Years Availability
Show Chart Data

Years	Published	Pending QA/QC
1991	1	0
1992	1	0
1993	1	0
1994	5	0
1995	7	0
1996	12	0
1997	19	0
1998	25	2
1999	35	3
2000	42	3
2001	61	3
2002	83	4
2003	92	4
2004	114	5
2005	124	4
2006	117	6
2007	122	10
2008	132	12
2009	137	14
2010	138	15
2011	139	13
2012	140	17
2013	145	25
2014	156	22
2015	162	29
2016	170	32
2017	207	25
2018	207	29
2019	222	18
2020	191	20
2021	186	22
2022	160	23
2023	75	22
2024	7	9

• AmeriFlux BASE Site Years Available by IGBP
Show Chart Data

Years	BSV	CRO	CSH	CVM	DBF	DNF	EBF	ENF	GRA	MF	OSH	SAV	SNO	URB	WAT	WET	WSA
1991	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0
1992	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0
1993	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0
1994	0	0	0	0	2	0	0	1	0	0	0	0	0	0	0	2	0
1995	0	0	0	0	3	0	0	1	0	1	0	0	0	0	0	2	0
1996	0	1	0	0	4	0	0	5	0	1	0	0	0	0	0	1	0
1997	0	2	2	0	4	0	1	7	2	1	0	0	0	0	0	0	0
1998	0	2	2	0	5	0	1	10	3	1	0	0	0	0	0	1	0
1999	0	2	3	0	6	0	1	16	2	2	0	0	0	0	0	3	0
2000	0	2	3	0	8	0	1	18	4	2	0	0	0	0	0	4	0
2001	0	4	3	0	9	0	1	28	6	3	3	0	0	0	0	3	1
2002	0	4	3	0	13	0	2	39	9	3	5	1	0	0	0	3	1
2003	0	5	4	0	13	0	2	43	9	4	5	1	0	0	0	5	1
2004	0	8	6	0	16	0	3	46	15	5	5	1	0	0	0	7	2
2005	0	11	7	0	16	0	2	48	18	5	6	1	0	0	0	7	3
2006	1	11	7	0	15	0	2	39	20	5	6	1	0	0	0	7	3
2007	1	12	3	0	16	0	2	39	22	6	9	2	0	0	0	6	4
2008	1	15	2	0	16	0	2	39	22	6	14	1	0	0	1	8	5
2009	1	19	2	0	14	0	2	37	27	5	12	4	0	0	1	9	4
2010	1	18	2	0	14	0	2	40	25	5	13	4	0	0	1	9	4
2011	3	22	2	0	13	0	2	28	22	5	14	4	0	0	1	18	5
2012	3	23	2	0	14	0	0	27	23	5	14	4	1	0	2	17	5
2013	3	27	1	0	14	0	0	28	20	5	14	4	1	1	3	19	5
2014	4	26	4	0	13	1	2	27	21	5	16	4	1	0	3	24	5
2015	3	30	4	4	14	1	2	27	22	4	14	4	1	0	2	25	5
2016	3	30	4	4	20	0	2	27	27	3	13	4	1	0	3	24	5
2017	3	31	4	6	31	0	2	32	33	5	18	4	1	2	4	26	5
2018	2	29	3	5	25	0	3	34	36	6	17	3	1	4	4	31	4
2019	2	28	3	6	34	0	3	38	35	6	16	3	1	5	4	34	4
2020	2	29	3	4	24	0	3	33	29	6	13	3	1	4	4	29	4
2021	2	34	4	3	23	0	3	31	26	7	10	2	1	5	2	29	4
2022	1	21	4	3	20	0	3	30	21	6	9	2	1	3	2	31	3
2023	1	20	1	2	6	0	0	12	8	3	2	1	1	3	0	11	4
2024	1	2	0	0	0	0	0	0	0	1	0	0	0	0	0	2	1

• Quality Checks Per Month
Show Chart Data

Months	Format QA/QC	Data QA/QC
2023-04	88	52
2023-05	43	44
2023-06	74	68
2023-07	51	23
2023-08	9	13
2023-09	94	76
2023-10	61	48
2023-11	75	31
2023-12	33	12
2024-01	55	17
2024-02	95	67
2024-03	98	53
2024-04	26	10