SUSCETIBILIDADE EROSIVA DOS SOLOS

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1 ASPECTOS MORFOMÉTRICOS COMO SUBSÍDIO AO ESTUDO DA CONDUTIVIDADE #'(%)!*")+$!"#$!%&!&& HIDRÁ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jk.lmnol ;G>;:;6i;>6>78C5:>684>A8;GW3;4DR]2SpC5689:q8C<8<7<=qO568C545=<8>;76C>3<F;7MCq:4<9=>AA;7Z pc>6<48>a=54569=8;g8c5689:q8c<8>6i5>7m:5b5=;35:>78c5cq:4;m4<3c>ai<6>7;78c5:>6ac<4m5c5<:i;<4: ^_`_ab_cdef_agh;4g;fj84>a;6et;7:98>b>:<:5ei<a><c>:4;m4dua< F5:>9F\ s5<=6;:58<AC5:8C5AC<4<A854>68>A6;G8C54;Au6<7:q;94;4>M>7<7:8C58;3;M4<3C>A<= RW4SQF<>7857<7A5T;5GUA>578RTFSQXK8576>;7;G8C569354UA><=A;9465RX36SQY576>8q;GY4<>7<M5RY:SQ s>:8crn<sqf5:>9ft5>mc8rnfsqf<66>b>8qt;5gua>578rtfsq24;m4<3c>at;5gua>578rt;sq49m;6>8qw7:5k I<6>7pC5965:B<4><I=56<7: :>78C>6C5<=8Cq<48>A=5<K>F9F<7:>7>F9F<=8>89:5Q<=8>F584>A ;78C5:<8<F;43C;F584>A6EI5A<9658C565<>:>78C597:5468<7:>7M;G:q7<F>A6;Gr<854;G8C54<>7>78C5 :9A8>B>8q;G8C56;>=6EG55:>7M;G8C5M4;97:r<854<7:54;6>B5A<3<A>8q;G6;>=6E755:68;C<B5>7G;4F<8>;7 8C5F;43C;F584>A63<4<F58546 W7G;4F<8>;7R\W]SpC5M5;F;43C;=;M>A>7G;4F<8>;7v6<7:8C5:<8<;G\W]<>:5:>78C5:5854F>7<8>;7;G 3=<7><=8>F584>A6;G8C5I<6>7E< ECq36;F584q<7:<=6;r>8C8C5965;G\q685F;G]5;M4<3C>A<= AC<4<A854>68>A6;G8C5I<6>7pC5<7<=q6>6;G8C5M5;F;43C;=;M>AG<A8;46r<6<AA;F3=>6C5:r>8CI<65>7M>B57,-./0- :5>;:5=;6i;>6575=:>684>8;:5W3;4DR]2SX=5689:>;~95<7<=>O<=<45=<A>[757845=<A;7:9A8>I>=>:<: X65<48PA9=;564569=8<785:5=568}:>;~95568D:56<44;==D7:;655F=<A957A<C>:4;M4DUA<57=<<=8<A<I5A54< wgxyzb{ch;43c;f584>a6et;7:9a8>b>8qetq:4;m4<3c>ai<6> UA><=RX36SQ=<:576>:<::5:457<M5RY:S5:5A=>B>:<:FJ:><Y568<A<F;68<FI>J7=<6A<4<A854P68>A<6 ;4;M4DUA;RT;SQ5=P7:>A5:549M;6>:<:RW4SQ5=A;5UA>5785:5F<7857>F>578;RTFSQ=<5K8576>[7:5=354A946; qfp7>f<q<f3=>89:<=8>fj84>a<rn<sq<=894<fj:><rnfsqx=a;5ua>5785:5=f<66>b>:<:rtfsq5=a;5ua>5785 :<<M9<:5=<==9B><5F=<A957A<<6B<4><I=5696<:<6q <:<657565<48PA9=;6;7=<<=8>89:FDK>F< 85754>7G;4F<A>;7566;I45=;6:<8;6F;4G;FJ84>A;6E3;4~95J68;6<q9:<757=<A;F34576>[7:5=<:>7LF>A< C>:4D9=>A<:5=;6695=;6E<=>F578<A>;7:5=<M9<69I8544<75<qA<3<A>:<::554;6>;7:5=;6695=;6E75A56>8< =;6:<8;6:5\W]<q9:<4;75F=<:5854F>7<A>[7:5=;63<4DF584;6F;4G;FJ84>A;6 q8<fi>j7a;f5=96;:5\>685f<:5w7g;4f<a>[7]5;m4dua<r\w]s<6>7g;4f<a>;756m5;f;4g;=[m>a<6q 3;=;M>A;6G;>A9F3=>:;A;F=<I<655F:<8;63=<7><=8>FJ84>A;6:5=<A957A<EA;F;:5A=>B>:<:EC>36;F584P< :5=<64;A<6q69;4>M57q=<6A<4<A854P68>A<68;3;M4DUA<6:5=<A957A<<<7D=>6>6:5=;6G<A8;456M5;F;4Z ^_`_ b_ce`_ag;4g;fj84>a;6et;7:9a8>i>=>:<:et957a<c>:4;m4dua< :5NB>=<EZi=;A;t6<=<ŠETX ŽŽZZ I54=<7:><R]SEi4<6>=Ep5=RŒS Z6>=M5= C;8F<>=A;F ˆ;B;t;4>O;785 TX Š Z W3;4DR]2SEi4<6>=Ep5=RŒ S ŽZ<95M C;8F<>=A;F ƒi;=6>68< 4;:98>B>:<:5:;Tˆ ~5 4;GY4:;W768>898;:5]5;M4<U<:< 7>B546>:<:5 5:54<=:5 I54=L7:>< NB ;<;ˆ<B56 ƒy;98;4<7:;5f]5;m4<u<35=< 7>B546>:<:5 5:54<=:5 I54=L7:>< 7>B546>:<:5X68<:9<=:5];>D6R X]SENBE <4:>F morphometrics aspects as subsidy to the study of the hydraulical conductivity and erosive susceptibility of soils ISSN , Universidade Federal do Ceará. Todos os direitos reservados.

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8 148 ^d^pglkghg`xgpyld^gnk_hbzb^dbnkn`kmblkh{egnkmngbhkfhb^b`b^jk`d b`_hbxbfk}gakh ]^_`abcdefghij`d^bifkl_mngoj`bcpk`qrstuv_hbhbmkd`bfdhepdw^bnbnk`ke`kfkmjb`g ]eb`jd`nbbm pdfknb^_`abcdefghij`d^bkabpg`km^gmj`bngeb`bbdmjkl`bpcdefghij`d^bqˆ{ v{b qxbfknkk_dp z`dgvƒ b_jg`nkfjb^bbdmnb_hbxbfknkmghdmbnbnk gmbnmg^ {_kfk`db_hbkf ei^dknkkm^pbaknk_h`kpkaghbdfb^kmj_bngkhhkdgb_h`kpkagkhxbfkbndbmjbnbnknkflbfjkƒ ng`kpkag^ghhbdg`kfkpkab~kfbji_hbxbfkhbn_`b{gmnkg`kpkagkfj e`bjd^bhkmjkbepbdmbng SOUSA, F. A.; RODRIGUES, S. C. w^b`dbdmxk`dg`bˆ{ t{fkngkfjkg^bfgnbbpjbzb^dbng`dgngfšgdfƒ b_jg`nkfjb^bbdmnb_kmb mg^ ƒƒoj`bcpk`qrstuvnkfjb^b_kmbxbfkkxkjdabng gmbnmg^ gabpg`nbdmjkl`bpcdefghij`d^b zb^dbfk^b`b^jk`d bm_hbxbfklkghg`xgpyld^bjkmnkmngbhbn_`b^gh^b`b^jk` fjd^bfnk gmbn kf^gbhkmjgf_ek`w^dbpnkak` ek`^g``k`bjibjdmld`g^_`fgn l_bhbdfe`ydhgƒ]ndfjm^dbbfk` ek`^g``dnbijbmjghbdg`{_bmjghkmg`bnk^pdadnbnknbak`jkmjkƒ abpg`nk efkm^gmj`bngeb`bbzb^dbxgdnk t h{_k^b`b^jk`d b^ghe`dhkmjgfnkak`jkm ]kjkmfžgngek`^_`fgf_ek`w^dbp`ke`kfkmjbbndfjm^dbkhhkj`gf_kg_gnk l_bng abpg`kfnkbpjgbh_djgbpjgxbag`k^khgkf^gbhkmjgf_ek`w^dbpƒ jkf^ghabpg`kfhkndbmgf{g_fk}b{abpg`kfnkhkndbmgbzbdgxbag`k^khbdmwpj`b~žg{km_bmjg fjkxbjg`^b`b^jk`d bb`kpb~žgkmj`kbbhepdj_nkbpjdhij`d^bq vkbnk^pdadnbnknbfak`jkmjkf{ kjbhzihbfg^g`` m^dbfk`gfdabfƒ eg`hkmg`kf^ghe`dhkmjgfnk`bhebkhbdg`nk^pdadnbnk{g_kb^kmj_bgkf^gbhkmjgf_ek`w^dbp _keg`f_bak be`kfkmjb`kpb~žgnd`kjb^ghbnkmfdnbnknkn`kmblkhq nvƒ _bmjghbdg`bnkm fdnbnknkn`kmblkh{g_bbhepdj_nkbpjdhij`d^b{hbdg`fk` b`_lgfdnbnkngjk``kmg{^b`b^jk`d bng Índice mnd^knk`_lgfdnbnknbzb^dbkh_kfjžgxgdnk ˆ{t h{fkmng^pbffdw^bng^ghg_h de Rugosidade dmwpj`b~žgƒ mnd^khindg{^ghe`knghdmm^dbnk`kpkagf_bakgmn_pbng{eg`jbmjg^ghhbdg`xbag`bzdpdnbnk khzb^dbfnk`kpkagf_bakgmn_pbngknkmfdnbnknkn`kmblkhhkndbmbƒ hbmjdngƒšbzb^dbjkhgfeb`b^bnb_dp hkj`g_bn`bng{ {r uhnk^bmbpnkn`kmblkh{^gh_h fjkxbjg`^b`b^jk`d bb `kbh mdhbmk^kff `dbeb`b_k_hhkj`gnk^bmbpnkn`kmblkhfk}b Coeficiente ]zb^dbkh_kfjžgkfj bffkmjbnbe`knghdmbmjkhkmjkfgz`k`g^cbf^`dfjbpdmbf{e`knghdmbmng de manutenção nk^ghegfd~kfndak`fbf{ _mdjgf{ k`dngjdjgf{œbz`gfk`g^cbfbffg^dbnbf{q {rsssvƒ ek_kmb `kbnbzb^dbbe`kfkmjbpdjgpgldb kfg yd^b nkbhepbfab`dknbnkfekj`gl` w^bf{e`knghdmbmnggfl`bmdjgfkgfl`bmgndg`djgfey`w`gfƒÿhb gœ`bmdjgngdegžeg` {nkdnbnke`gjk`g yd^b{^gmfjdj_ ngfeg`f_ jkfl`bm jd^bf_kkdzkh^g`egf `kj ^kb^ghe`kfkm~bnk`g^cbfbp^bpdmbf Caracterização Geológica j_nkab`dbmngnkttˆb uˆhkabpkfkh bzk`jgf{khzg`begmj_bphkmjkfkjkmcbbe`kfkm~bnk g^bphkmjkg`kpkagnbf_z zb^dbie`knghdmbmjkhkmjkf_bakgmn_pbngbgmn_pbng^ghbpjd ^gh`kpkagnkjgegepbmgknk^pdadnbnkfab`dbmngnkˆb ªƒ `kpkaggmn_pbngnkjgeg^gmakg ^ghndfjm^dbdmjk`_adbpkmj`k utˆb tˆhƒ `kpkagxg`jkgmn_pbngkkf^b`ebngƒ l`b_nkkmjbpcbhkmjgnbn`kmblkhab`dbnkx`b^gbhkndbmg{ `kpkagf_bakgmn_pbnge`knghdmbmbhbdg`eb`jknbzb^dbkjbhzihkh `kbfhbdfkpkabnbf Caracterização topográfica e`knghdmbkhzgbeb`jknbzb^db{^ghnk^pdadnbnkfab`dbmngnksbuˆªƒ `kpkag«g`jkgmn_pbng xbfkkxkjdabnbhbj_`dnbnkbdmjkl`bpcdefghij`d^bw^b`dbkmj`kˆ{ kˆ{œƒ Extensão do percurso superficial

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