Closing the Gaps in Our Knowledge of the Hydrological Cycle over Land: Conceptual Problems - The Earth's Hydrological Cycle - page 147

Table 4 Selected studies on land surface data assimilation, sorted by assimilated observation type

Observation State Parameter/model

EnKF/EnKS Other

Soil moisture,
retrievals

Reichle and Koster
( 2005 ), Ni-Meister et al.
( 2006 ), Reichle et al.
( 2007 , 2008 ), Kumar
et al. ( 2009 ), Pan and
Wood ( 2010 ), Liu et al.
( 2011 ), Han et al.
( 2012a ), Draper et al.
( 2012 ), Sahoo et al.
( 2013 )

Houser et al. ( 1998 ),
Pauwels et al. ( 2002 ),
Paniconi et al. ( 2003 ),
Francois et al. ( 2003 ),
Hurkmans et al. ( 2006 ),
Parajka et al. ( 2006 ),
Crow ( 2007 ), Crow and
Bolten ( 2007 ), Parada
and Liang ( 2008 ), Crow
and van den Berg
( 2010 ), Draper et al.
( 2009 ), Mahfouf
( 2010 ), Dharssi et al.
( 2011 ), de Rosnay et al.
( 2012a , b)

Santanello et al. ( 2007 ),
Ines and Mohanty
( 2009 ), Pauwels et al.
( 2009 )

Soil moisture, in situ Sabater et al. ( 2007 ), De

Lannoy et al. ( 2007a ,
2009 ), Camporese et al.
( 2009 ), Monsivais-
Huerteroet et al. ( 2010 ),
Han et al. ( 2012a )

Calvet et al. ( 1998 ),
Wingeron et al. ( 1999 ),
Walker et al. ( 2001b ,
2002)

Boulet et al. ( 2002 ), De
Lannoy et al. ( 2006 ),
Vereecken et al. ( 2008 ),
Loew and Mauser
( 2008 ), Nagarajanar
et al. ( 2011 )

Snow cover or
albedo, retrievals

Clark et al. ( 2006 ), Su
et al. ( 2008 , 2010 ), De
Lannoy et al. ( 2012 ),
Arsenault et al. ( 2013 )

Rodell and Houser
( 2004 ), Zaitchik and
Rodell ( 2009 ), Saha
et al. ( 2010 ), de Rosnay
et al. ( 2012a , b )

Essery and Pomeroy
( 2004 ), D ´ ry et al.
( 2005 ), Kolberg and
Gottschalk ( 2010 ),
Dumont et al. ( 2012 )

Snow water
equivalent,
retrievals or in situ

Andreadis and
Lettenmaier ( 2006 ),
Slater and Clark ( 2006 ),
Dong et al. ( 2007 ),
De Lannoy et al. ( 2010 ,
2012 ), He et al. ( 2012 )

Brasnett ( 1999 ), Sun et al.
( 2004 ), Drusch et al.
( 2004 )

Clark and Vrugt ( 2006 ),
Clark et al. ( 2011b ),
Su et al. ( 2011 )

Backscatter, from soil
or vegetation

Flores et al. ( 2012 ) Hoeben and Troch

( 2000 ), Zhan et al.
( 2006 )

Marzahn and Ludwig
( 2009 ), Nearing et al.
( 2010 )

Brightness
temperature, for
soil or vegetation

Margulis et al. ( 2002 ),
Reichle et al. ( 2002a ),
Crow ( 2003 ), Crow and
Wood ( 2003 ), Dunne
and Entekhabi ( 2006 )

Entekhabi et al. ( 1994 ),
Galantowicz et al.
( 1999 ), Crosson et al.
( 2002 ), Reichle et al.
( 2001a , b), Jones et al.
( 2003 ), Wilker et al.
( 2006 ), Balsamo et al.
( 2006 ), Loew et al.
( 2009 ), Dumedah et al.
( 2011 )

Zhang et al. ( 2011 ),
Montzka et al. ( 2012 ),
De Lannoy et al. ( 2013 )

Brightness
temperature, for
snow

Durand and Margulis
( 2007 ), Durand et al.
( 2009 )

DeChant and Moradkhani
( 2010 )

Tedesco et al. ( 2010 ),
Vachon et al. ( 2010 ),
Forman et al. ( 2012a )