Based on many experiments, the L-band is evidenced as the optimal frequency for remote sensing of SSS, which has been adopted by SMOS, Aquarius/SAC-D and SMAP.
1	Based	base	VERB	VBN	Tense=Past|VerbForm=Part	11	advcl	11:advcl	Discourse=explanation-evidence:34->35:1
2	on	on	ADP	IN	_	4	case	4:case	_
3	many	many	ADJ	JJ	Degree=Pos	4	amod	4:amod	Entity=(70-event-new-cf8-2-sgl
4	experiments	experiment	NOUN	NNS	Number=Plur	1	obl	1:obl:on	Entity=70)|SpaceAfter=No
5	,	,	PUNCT	,	_	1	punct	1:punct	_
6	the	the	DET	DT	Definite=Def|PronType=Art	9	det	9:det	Discourse=explanation-justify:35->42:0|Entity=(55-abstract-giv:inact-cf2-4-coref-L_band
7	L	L	PROPN	NNP	Number=Sing	9	compound	9:compound	SpaceAfter=No|XML=<w>
8	-	-	PUNCT	:	_	7	punct	7:punct	SpaceAfter=No
9	band	band	NOUN	NN	Number=Sing	11	nsubj:pass	11:nsubj:pass	Entity=55)|XML=</w>
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	aux:pass	11:aux:pass	_
11	evidenced	evidence	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	0:root	_
12	as	as	ADP	IN	_	15	case	15:case	_
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	15:det	Entity=(71-abstract-new-cf7-3,17,19,21-sgl
14	optimal	optimal	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
15	frequency	frequency	NOUN	NN	Number=Sing	11	obl	11:obl:as|25:nsubj:pass	_
16	for	for	ADP	IN	_	18	case	18:case	_
17	remote	remote	ADJ	JJ	Degree=Pos	18	amod	18:amod	Entity=(48-abstract-giv:inact-cf6-2-coref
18	sensing	sensing	NOUN	NN	Number=Sing	15	nmod	15:nmod:for	_
19	of	of	ADP	IN	_	20	case	20:case	_
20	SSS	SSS	NOUN	NN	Number=Sing	18	nmod	18:nmod:of	Entity=(39-abstract-giv:act-cf1*-1-coref)48)|SpaceAfter=No|XML=<hi rend:::"italic"></hi>
21	,	,	PUNCT	,	_	25	punct	25:punct	_
22	which	which	PRON	WDT	PronType=Rel	25	nsubj:pass	15:ref	Discourse=elaboration-attribute:36->35:0
23	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	25	aux	25:aux	_
24	been	be	AUX	VBN	Tense=Past|VerbForm=Part	25	aux:pass	25:aux:pass	_
25	adopted	adopt	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	15	acl:relcl	15:acl:relcl	_
26	by	by	ADP	IN	_	27	case	27:case	_
27	SMOS	SMOS	PROPN	NNP	Number=Sing	25	obl:agent	25:obl:agent	Entity=(26-object-giv:inact-cf3-1-coref-Soil_Moisture_and_Ocean_Salinity)|SpaceAfter=No
28	,	,	PUNCT	,	_	29	punct	29:punct	_
29	Aquarius	Aquarius	PROPN	NNP	Number=Sing	27	conj	25:obl:agent|27:conj:slash	Entity=(32-object-giv:inact-cf4-1,3-coref-Aquarius_%28SAC%2DD_instrument%29|SpaceAfter=No|XML=<w>
30	/	/	SYM	SYM	_	31	cc	31:cc	SpaceAfter=No
31	SAC-D	SAC-D	PROPN	NNP	Number=Sing	29	conj	27:conj|29:conj:slash	Entity=32)|XML=</w>
32	and	and	CCONJ	CC	_	33	cc	33:cc	_
33	SMAP	SMAP	PROPN	NNP	Number=Sing	27	conj	25:obl:agent|27:conj:and	Entity=(34-object-giv:inact-cf5-1-coref-Soil_Moisture_Active_Passive)71)|SpaceAfter=No
34	.	.	PUNCT	.	_	11	punct	11:punct	_
