2 Water Resources and Management of Poland in SCOPUS Database
17
0
20
40
60
80
100
120
140
160
180
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Number of documents
(a) Number of documents using keywords "Water",
"Quality", and "Poland" in SCOPUS database
0
10
20
30
40
50
60
70
80
90
100
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Number of documents
(b) Number of documents using keywords "Water",
"Resource", and "Poland" in SCOPUS database
0
20
40
60
80
100
120
140
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Number of documents
(c) Number of documents using keywords "Water",
"Management", and "Poland" in SCOPUS database
Fig. 2.1 Increasing number of published documents retrieved from SCOPUS database from 2001
to 2019 using research keywords a “Water”, “Quality”, and “Poland”, b “Water”, “Resources”, and
“Poland”, and c “Water”, “Management”, and “Poland”