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تحلیل ویژگی های مکانی بارش های پاییزه ی شمال غرب ایران
Spatial analysis features of Autumn rainfall in North West Iran
تخصصي
Special
پژوهشي
Research
<p><span dir="RTL" lang="FA" style="margin: 0px; line-height: 107%; font-family: Lotus; font-size: 13pt;">عوامل مکانی از اهمیت قابل ملاحظه ای در تغییر و تحولات پدیده های اقلیمی برخوردار می باشند. تاثیرگذاری این عوامل می تواند به صورت تقویت ، تضعیف و تعیین نحوه ی توزیع فرآیندهای آب و هوایی جلوه گر شود ؛ در نتیجه شناخت نقش و روابط این عوامل می تواند به شناخت الگوهای فضایی متغیرهای آب و هوایی و بهبود برنامه ریزی های محیطی منجر شود. بر این اساس در پژوهش حاضر با استفاده از داده های بارش ماهانه ی 121 ایستگاه همدید ، اقلیم شناسی و باران سنجی شمال غرب ایران در دوره ی 1987 تا 2014 و استفاده از داده های ارتفاع ، عرض جغرافیایی ، شیب و جهت شیب تلاش شد ویژگی ها و روابط عوامل مکانی در تغییرات و پراکنش مکانی بارش مورد تحلیل قرار گیرد. بدین منظور از روش های مرکز میانگین ، دایره ی استاندارد ، نیم تغییر نما و رگرسیون موزون جغرافیایی (</span><span font-size:="" style="margin: 0px; line-height: 107%; font-family: ">GWR</span><span dir="RTL" lang="FA" style="margin: 0px; line-height: 107%; font-family: Lotus; font-size: 13pt;">) استفاده گردید. نتایج بررسی ها نشان داد که طی ماه اکتبر به دلیل ضعیف بودن بادهای غربی در منطقه ، میزان واریانس فضایی بارش ها کم بوده و عوامل مکانی نقش مهمی در تغییرات بارش ایفا می کنند. در ماه نوامبر ضمن تقویت سامانه های بارش زا در منطقه ، نقش عوامل مکانی در تغییرپذیری بارش ها به اوج خود می رسد ؛ اما در ماه دسامبر به دلیل قدرت سامانه های بارشی و تغذیه ی رطوبتی مناسب ، از نقش عوامل مکانی در بارش های منطقه کاسته شده و تغییرپذیری بارش ها بیشتر با عوامل جوی مرتبط می باشد.</span></p>
<p><span dstinfo="0:9" id="ouHighlight__15_19TO0_9" issource="false" paragraphname="paragraph0" srcinfo="15:19">Importance</span><span id="noHighlight_0.041943001455339246"> </span><span dstinfo="11:12" id="ouHighlight__12_13TO11_12" issource="false" paragraphname="paragraph0" srcinfo="12:13">of</span><span id="noHighlight_0.5194385203146106"> </span><span dstinfo="14:21" id="ouHighlight__6_10TO14_21" issource="false" paragraphname="paragraph0" srcinfo="6:10">location</span><span id="noHighlight_0.09239076557604986"> </span><span dstinfo="23:29" id="ouHighlight__0_4TO23_29" issource="false" paragraphname="paragraph0" srcinfo="0:4">factors</span><span id="noHighlight_0.7038178809798332"> </span><span dstinfo="31:43" id="ouHighlight__21_34TO31_43" issource="false" paragraphname="paragraph0" srcinfo="21:34">substantially</span><span id="noHighlight_0.609025951600147"> </span><span dstinfo="45:54" id="ouHighlight__36_43TO45_54" issource="false" paragraphname="paragraph0" srcinfo="36:43">change the</span><span id="noHighlight_0.2436122584664242"> </span><span dstinfo="56:63" id="ouHighlight__64_69TO56_63" issource="false" paragraphname="paragraph0" srcinfo="64:69">climatic</span><span id="noHighlight_0.5966082492273603"> </span><span dstinfo="65:73" id="ouHighlight__54_62TO65_73" issource="false" paragraphname="paragraph0" srcinfo="54:62">phenomena</span><span id="noHighlight_0.11577957179732801"> </span><span dstinfo="75:90" id="ouHighlight__45_52TO75_90" issource="false" paragraphname="paragraph0" srcinfo="45:52">and developments</span><span id="noHighlight_0.2916224269699801"> </span><span dstinfo="92:97" id="ouHighlight__80_87TO92_97" issource="false" paragraphname="paragraph0" srcinfo="80:87">can be</span><span id="noHighlight_0.6086986878521807"> </span><span dstinfo="99:105" id="ouHighlight__71_78TO99_105" issource="false" paragraphname="paragraph0" srcinfo="71:78">enjoyed</span><span id="noHighlight_0.03717403076981607">.</span><span id="noHighlight_0.12572374381737616"> </span><span dstinfo="108:116" id="ouHighlight__90_99TO108_116" issource="false" paragraphname="paragraph0" srcinfo="90:99">Influence</span><span id="noHighlight_0.9796705766022651"> </span><span dstinfo="118:133" id="ouHighlight__101_109TO118_133" issource="false" paragraphname="paragraph0" srcinfo="101:109">of these factors</span><span id="noHighlight_0.07624412502770883"> </span><span dstinfo="135:140" id="ouHighlight__111_126TO135_140" issource="false" paragraphname="paragraph0" srcinfo="111:126">can be</span><span id="noHighlight_0.7895661452619969"> </span><span dstinfo="142:153" id="ouHighlight__128_132TO142_153" issource="false" paragraphname="paragraph0" srcinfo="128:132">strengthened</span><span id="noHighlight_0.7746889600260856">,</span><span id="noHighlight_0.6092406505203067"> </span><span dstinfo="156:163" id="ouHighlight__136_140TO156_163" issource="false" paragraphname="paragraph0" srcinfo="136:140">diluting</span><span id="noHighlight_0.8364385517414183"> </span><span dstinfo="165:177" id="ouHighlight__142_148TO165_177" issource="false" paragraphname="paragraph0" srcinfo="142:148">and determine</span><span id="noHighlight_0.21478444535944008"> </span><span dstinfo="179:181" id="ouHighlight__150_155TO179_181" issource="false" paragraphname="paragraph0" srcinfo="150:155">how</span><span id="noHighlight_0.2552691049120608"> </span><span dstinfo="183:201" id="ouHighlight__157_161TO183_201" issource="false" paragraphname="paragraph0" srcinfo="157:161">the distribution of</span><span id="noHighlight_0.5244340136123404"> </span><span dstinfo="203:210" id="ouHighlight__173_182TO203_210" issource="false" paragraphname="paragraph0" srcinfo="173:182">climatic</span><span id="noHighlight_0.7145609238690462"> </span><span dstinfo="212:220" id="ouHighlight__163_171TO212_220" issource="false" paragraphname="paragraph0" srcinfo="163:171">processes</span><span id="noHighlight_0.2899158046968975"> </span><span dstinfo="222:223" id="ouHighlight__192_196TO222_223" issource="false" paragraphname="paragraph0" srcinfo="192:196">be</span><span id="noHighlight_0.021597114500137682"> </span><span dstinfo="225:231" id="ouHighlight__184_190TO225_231" issource="false" paragraphname="paragraph0" srcinfo="184:190">flashed</span><span id="noHighlight_0.769170431767306"> </span><span dstinfo="233:243" id="ouHighlight__198_205TO233_243" issource="false" paragraphname="paragraph0" srcinfo="198:205">as a result</span><span id="noHighlight_0.9712383220817304"> </span><span dstinfo="245:255" id="ouHighlight__207_211TO245_255" issource="false" paragraphname="paragraph0" srcinfo="207:211">recognizing</span><span id="noHighlight_0.912361065706017"> </span><span dstinfo="257:264" id="ouHighlight__213_215TO257_264" issource="false" paragraphname="paragraph0" srcinfo="213:215">the role</span><span id="noHighlight_0.4801136468796854"> </span><span dstinfo="266:282" id="ouHighlight__217_223TO266_282" issource="false" paragraphname="paragraph0" srcinfo="217:223">and relationships</span><span id="noHighlight_0.24966740932932185"> </span><span dstinfo="284:299" id="ouHighlight__225_233TO284_299" issource="false" paragraphname="paragraph0" srcinfo="225:233">of these factors</span><span id="noHighlight_0.07991083348142358"> </span><span dstinfo="301:311" id="ouHighlight__235_245TO301_311" issource="false" paragraphname="paragraph0" srcinfo="235:245">can lead to</span><span id="noHighlight_0.6218975896502643"> </span><span dstinfo="313:332" id="ouHighlight__247_251TO313_332" issource="false" paragraphname="paragraph0" srcinfo="247:251">the understanding of</span><span id="noHighlight_0.3755858998940591"> the </span><span dstinfo="338:344" id="ouHighlight__261_265TO338_344" issource="false" paragraphname="paragraph0" srcinfo="261:265">spatial</span><span id="noHighlight_0.4083154987791837"> </span><span dstinfo="346:356" id="ouHighlight__253_259TO346_356" issource="false" paragraphname="paragraph0" srcinfo="253:259">patterns of</span><span id="noHighlight_0.9023261540970837"> </span><span dstinfo="358:365" id="ouHighlight__276_285TO358_365" issource="false" paragraphname="paragraph0" srcinfo="276:285">climatic</span><span id="noHighlight_0.6558907496769744"> </span><span dstinfo="367:375" id="ouHighlight__267_274TO367_375" issource="false" paragraphname="paragraph0" srcinfo="267:274">variables</span><span id="noHighlight_0.13581216069591706"> </span><span dstinfo="377:379" id="ouHighlight__287_287TO377_379" issource="false" paragraphname="paragraph0" srcinfo="287:287">and</span><span id="noHighlight_0.855830386807108"> </span><span dstinfo="381:398" id="ouHighlight__289_293TO381_398" issource="false" paragraphname="paragraph0" srcinfo="289:293">the improvement of</span><span id="noHighlight_0.5668908743118262"> </span><span dstinfo="400:412" id="ouHighlight__311_315TO400_412" issource="false" paragraphname="paragraph0" srcinfo="311:315">environmental</span><span id="noHighlight_0.3427355300064654"> </span><span dstinfo="414:421" id="ouHighlight__295_309TO414_421" issource="false" paragraphname="paragraph0" srcinfo="295:309">planning</span><span id="noHighlight_0.08438946300157113">.</span><span id="noHighlight_0.7369440566010525"> </span><span dstinfo="424:434" id="ouHighlight__327_337TO424_434" issource="false" paragraphname="paragraph0" srcinfo="327:337">Accordingly</span><span dstinfo="435:438" id="ouHighlight__339_340TO435_438" issource="false" paragraphname="paragraph0" srcinfo="339:340">, in</span><span id="noHighlight_0.5407095295791267"> </span><span dstinfo="440:456" id="ouHighlight__342_351TO440_456" issource="false" paragraphname="paragraph0" srcinfo="342:351">the present study</span><span id="noHighlight_0.8416277693278149"> </span><span dstinfo="458:462" id="ouHighlight__353_365TO458_462" issource="false" paragraphname="paragraph0" srcinfo="353:365">using</span><span id="noHighlight_0.22197896292210495"> </span><span dstinfo="464:470" id="ouHighlight__381_386TO464_470" issource="false" paragraphname="paragraph0" srcinfo="381:386">monthly</span><span id="noHighlight_0.9595926620812836"> </span><span dstinfo="472:479" id="ouHighlight__376_379TO472_479" issource="false" paragraphname="paragraph0" srcinfo="376:379">rainfall</span><span id="noHighlight_0.22068359461504094"> </span><span dstinfo="481:484" id="ouHighlight__367_374TO481_484" issource="false" paragraphname="paragraph0" srcinfo="367:374">data</span><span id="noHighlight_0.9350591626085534"> </span><span dstinfo="486:491" id="ouHighlight__388_388TO486_491" issource="false" paragraphname="paragraph0" srcinfo="388:388">of the</span><span id="noHighlight_0.9542282658757988"> </span><span dstinfo="493:500" id="ouHighlight__406_410TO493_500" issource="false" paragraphname="paragraph0" srcinfo="406:410">synoptic</span><span id="noHighlight_0.8634347108495237"> </span><span dstinfo="502:508" id="ouHighlight__398_404TO502_508" issource="false" paragraphname="paragraph0" srcinfo="398:404">station</span><span id="noHighlight_0.030190050414430125"> </span><span dstinfo="510:512" id="ouHighlight__390_396TO510_512" issource="false" paragraphname="paragraph0" srcinfo="390:396">121</span><span id="noHighlight_0.8703562682299017">,</span><span id="noHighlight_0.35161302931690397"> </span><span dstinfo="515:525" id="ouHighlight__414_424TO515_525" issource="false" paragraphname="paragraph0" srcinfo="414:424">climatology</span><span id="noHighlight_0.9015746198395449"> </span><span dstinfo="527:534" id="ouHighlight__426_432TO527_534" issource="false" paragraphname="paragraph0" srcinfo="426:432">and rain</span><span id="noHighlight_0.6911926205037782"> </span><span dstinfo="536:544" id="ouHighlight__439_446TO536_544" issource="false" paragraphname="paragraph0" srcinfo="439:446">Northwest</span><span id="noHighlight_0.11060736146112537"> </span><span dstinfo="546:559" id="ouHighlight__448_455TO546_559" issource="false" paragraphname="paragraph0" srcinfo="448:455">of Iran in the</span><span id="noHighlight_0.35242806356608236"> </span><span dstinfo="561:569" id="ouHighlight__457_462TO561_569" issource="false" paragraphname="paragraph0" srcinfo="457:462">period of</span><span id="noHighlight_0.06128871930342439"> </span><span dstinfo="571:580" id="ouHighlight__434_437TO571_580" issource="false" paragraphname="paragraph0" srcinfo="434:437">assessment</span><span id="noHighlight_0.07716300611572824"> </span><span dstinfo="582:585" id="ouHighlight__465_471TO582_585" issource="false" paragraphname="paragraph0" srcinfo="465:471">1987</span><span id="noHighlight_0.06020332875419632"> </span><span dstinfo="587:591" id="ouHighlight__474_475TO587_591" issource="false" paragraphname="paragraph0" srcinfo="474:475">until</span><span id="noHighlight_0.6310383847216476"> </span><span dstinfo="593:596" id="ouHighlight__478_484TO593_596" issource="false" paragraphname="paragraph0" srcinfo="478:484">2014</span><span dstinfo="597:609" id="ouHighlight__487_495TO597_609" issource="false" paragraphname="paragraph0" srcinfo="487:495">, and the use</span><span id="noHighlight_0.6912387339229755"> </span><span dstinfo="611:612" id="ouHighlight__497_498TO611_612" issource="false" paragraphname="paragraph0" srcinfo="497:498">of</span><span id="noHighlight_0.4360784683169052"> </span><span dstinfo="614:616" id="ouHighlight__505_507TO614_616" issource="false" paragraphname="paragraph0" srcinfo="505:507">the</span><span id="noHighlight_0.9590444569502894"> </span><span dstinfo="618:622" id="ouHighlight__500_503TO618_622" issource="false" paragraphname="paragraph0" srcinfo="500:503">data,</span><span id="noHighlight_0.23355622113314478"> </span><span dstinfo="624:633" id="ouHighlight__509_516TO624_633" issource="false" paragraphname="paragraph0" srcinfo="509:516">elevation,</span><span id="noHighlight_0.277645200894038"> </span><span dstinfo="635:642" id="ouHighlight__518_530TO635_642" issource="false" paragraphname="paragraph0" srcinfo="518:530">latitude</span><span dstinfo="643:648" id="ouHighlight__532_536TO643_648" issource="false" paragraphname="paragraph0" srcinfo="532:536">, tilt</span><span id="noHighlight_0.8694310500386835"> </span><span dstinfo="650:665" id="ouHighlight__538_542TO650_665" issource="false" paragraphname="paragraph0" srcinfo="538:542">and direction of</span><span id="noHighlight_0.2903500914321415"> </span><span dstinfo="667:670" id="ouHighlight__544_546TO667_670" issource="false" paragraphname="paragraph0" srcinfo="544:546">tilt</span><span id="noHighlight_0.758423902652007"> </span><span dstinfo="672:674" id="ouHighlight__553_554TO672_674" issource="false" paragraphname="paragraph0" srcinfo="553:554">was</span><span id="noHighlight_0.7926759453451284"> </span><span dstinfo="676:681" id="ouHighlight__548_551TO676_681" issource="false" paragraphname="paragraph0" srcinfo="548:551">trying</span><span id="noHighlight_0.1044622872191574"> </span><span dstinfo="683:690" id="ouHighlight__556_563TO683_690" issource="false" paragraphname="paragraph0" srcinfo="556:563">features</span><span id="noHighlight_0.5701295046934727"> </span><span dstinfo="692:708" id="ouHighlight__565_571TO692_708" issource="false" paragraphname="paragraph0" srcinfo="565:571">and relationships</span><span id="noHighlight_0.6586056108806015"> </span><span dstinfo="710:711" id="ouHighlight__585_586TO710_711" issource="false" paragraphname="paragraph0" srcinfo="585:586">in</span><span id="noHighlight_0.4113867175270294"> </span><span dstinfo="713:719" id="ouHighlight__605_609TO713_719" issource="false" paragraphname="paragraph0" srcinfo="605:609">spatial</span><span id="noHighlight_0.9406225823441867"> </span><span dstinfo="721:732" id="ouHighlight__598_603TO721_732" issource="false" paragraphname="paragraph0" srcinfo="598:603">distribution</span><span id="noHighlight_0.7252549291917012"> </span><span dstinfo="734:736" id="ouHighlight__596_596TO734_736" issource="false" paragraphname="paragraph0" srcinfo="596:596">and</span><span id="noHighlight_0.1657047154972171"> </span><span dstinfo="738:745" id="ouHighlight__579_583TO738_745" issource="false" paragraphname="paragraph0" srcinfo="579:583">location</span><span id="noHighlight_0.714895290045872"> </span><span dstinfo="747:756" id="ouHighlight__573_577TO747_756" issource="false" paragraphname="paragraph0" srcinfo="573:577">factors of</span><span id="noHighlight_0.6795862732139901"> </span><span dstinfo="758:765" id="ouHighlight__611_614TO758_765" issource="false" paragraphname="paragraph0" srcinfo="611:614">rainfall</span><span id="noHighlight_0.2585129539226616"> </span><span dstinfo="767:773" id="ouHighlight__588_594TO767_773" issource="false" paragraphname="paragraph0" srcinfo="588:594">changes</span><span id="noHighlight_0.2185854944367327"> </span><span dstinfo="775:779" id="ouHighlight__616_619TO775_779" issource="false" paragraphname="paragraph0" srcinfo="616:619">about</span><span id="noHighlight_0.6584138499018419"> </span><span dstinfo="781:792" id="ouHighlight__621_625TO781_792" issource="false" paragraphname="paragraph0" srcinfo="621:625">the analysis</span><span id="noHighlight_0.4650826181129435">.</span><span id="noHighlight_0.10143204341469203"> </span><span dstinfo="795:804" id="ouHighlight__624_627TO795_804" issource="false" paragraphname="paragraph0" srcinfo="624:627">Therefore,</span><span id="noHighlight_0.8789693452965261"> the </span><span dstinfo="810:816" id="ouHighlight__629_633TO810_816" issource="false" paragraphname="paragraph0" srcinfo="629:633">purpose</span><span id="noHighlight_0.5417188597851004"> </span><span dstinfo="818:819" id="ouHighlight__635_644TO818_819" issource="false" paragraphname="paragraph0" srcinfo="635:644">of</span><span id="noHighlight_0.23226301195103005"> </span><span dstinfo="821:833" id="ouHighlight__646_649TO821_833" issource="false" paragraphname="paragraph0" srcinfo="646:649">the center of</span><span id="noHighlight_0.02299054259646116"> </span><span dstinfo="835:837" id="ouHighlight__667_667TO835_837" issource="false" paragraphname="paragraph0" srcinfo="667:667">the</span><span id="noHighlight_0.41367273821934303"> </span><span dstinfo="839:844" id="ouHighlight__661_665TO839_844" issource="false" paragraphname="paragraph0" srcinfo="661:665">circle</span><span id="noHighlight_0.028086276230649742">,</span><span id="noHighlight_0.18308732004228623"> </span><span dstinfo="847:850" id="ouHighlight__681_683TO847_850" issource="false" paragraphname="paragraph0" srcinfo="681:683">half</span><span id="noHighlight_0.4166921697370165"> </span><span dstinfo="852:865" id="ouHighlight__651_657TO852_865" issource="false" paragraphname="paragraph0" srcinfo="651:657">the average of</span><span id="noHighlight_0.9693785673526292"> the </span><span dstinfo="871:878" id="ouHighlight__669_679TO871_878" issource="false" paragraphname="paragraph0" srcinfo="669:679">standard</span><span id="noHighlight_0.22670801371553395"> </span><span dstinfo="880:889" id="ouHighlight__711_719TO880_889" issource="false" paragraphname="paragraph0" srcinfo="711:719">geographic</span><span id="noHighlight_0.462211248308122"> </span><span dstinfo="891:896" id="ouHighlight__685_689TO891_896" issource="false" paragraphname="paragraph0" srcinfo="685:689">change</span><span id="noHighlight_0.8258662106319781"> </span><span dstinfo="898:900" id="ouHighlight__691_695TO898_900" issource="false" paragraphname="paragraph0" srcinfo="691:695">and</span><span id="noHighlight_0.5210694312306754"> </span><span dstinfo="902:905" id="ouHighlight__705_709TO902_905" issource="false" paragraphname="paragraph0" srcinfo="705:709">even</span><span id="noHighlight_0.8290874786335522"> </span><span dstinfo="907:916" id="ouHighlight__697_703TO907_916" issource="false" paragraphname="paragraph0" srcinfo="697:703">regression</span><span id="noHighlight_0.6116493401838035"> </span><span dstinfo="918:918" id="ouHighlight__721_721TO918_918" issource="false" paragraphname="paragraph0" srcinfo="721:721">(</span><span dstinfo="919:921" id="ouHighlight__722_724TO919_921" issource="false" paragraphname="paragraph0" srcinfo="722:724">GWR</span><span dstinfo="922:922" id="ouHighlight__725_725TO922_922" issource="false" paragraphname="paragraph0" srcinfo="725:725">)</span><span id="noHighlight_0.17712658131043057"> </span><span dstinfo="924:926" id="ouHighlight__735_739TO924_926" issource="false" paragraphname="paragraph0" srcinfo="735:739">was</span><span id="noHighlight_0.03815614612707763"> </span><span dstinfo="928:931" id="ouHighlight__727_733TO928_931" issource="false" paragraphname="paragraph0" srcinfo="727:733">used</span><span id="noHighlight_0.5797307762286412">.</span><span id="noHighlight_0.7030811282823495"> </span><span dstinfo="934:947" id="ouHighlight__742_746TO934_947" issource="false" paragraphname="paragraph0" srcinfo="742:746">The results of</span><span id="noHighlight_0.789838514558403"> the </span><span dstinfo="953:965" id="ouHighlight__748_755TO953_965" issource="false" paragraphname="paragraph0" srcinfo="748:755">investigation</span><span id="noHighlight_0.3059658501396203"> </span><span dstinfo="967:977" id="ouHighlight__757_767TO967_977" issource="false" paragraphname="paragraph0" srcinfo="757:767">showed that</span><span id="noHighlight_0.44806948479767316"> </span><span dstinfo="979:984" id="ouHighlight__769_770TO979_984" issource="false" paragraphname="paragraph0" srcinfo="769:770">during</span><span id="noHighlight_0.7237204957505476"> </span><span dstinfo="986:1005" id="ouHighlight__772_780TO986_1005" issource="false" paragraphname="paragraph0" srcinfo="772:780">the month of October</span><span id="noHighlight_0.9703682676321741"> </span><span dstinfo="1007:1016" id="ouHighlight__782_788TO1007_1016" issource="false" paragraphname="paragraph0" srcinfo="782:788">due to the</span><span id="noHighlight_0.7111943341972675"> </span><span dstinfo="1018:1020" id="ouHighlight__790_798TO1018_1020" issource="false" paragraphname="paragraph0" srcinfo="790:798">low</span><span id="noHighlight_0.7374660836109086"> </span><span dstinfo="1022:1030" id="ouHighlight__823_827TO1022_1030" issource="false" paragraphname="paragraph0" srcinfo="823:827">amount of</span><span id="noHighlight_0.986071732075458"> </span><span dstinfo="1032:1039" id="ouHighlight__829_835TO1032_1039" issource="false" paragraphname="paragraph0" srcinfo="829:835">variance</span><span id="noHighlight_0.12863062481066811"> </span><span dstinfo="1041:1046" id="ouHighlight__812_813TO1041_1046" issource="false" paragraphname="paragraph0" srcinfo="812:813">in the</span><span id="noHighlight_0.934181002728343"> </span><span dstinfo="1048:1054" id="ouHighlight__807_810TO1048_1054" issource="false" paragraphname="paragraph0" srcinfo="807:810">Western</span><span id="noHighlight_0.9236271590965162"> </span><span dstinfo="1056:1062" id="ouHighlight__815_819TO1056_1062" issource="false" paragraphname="paragraph0" srcinfo="815:819">region,</span><span id="noHighlight_0.6519421240553744"> </span><span dstinfo="1064:1068" id="ouHighlight__800_805TO1064_1068" issource="false" paragraphname="paragraph0" srcinfo="800:805">winds</span><span id="noHighlight_0.9099657418634615">,</span><span id="noHighlight_0.19447968974288376"> </span><span dstinfo="1071:1078" id="ouHighlight__843_846TO1071_1078" issource="false" paragraphname="paragraph0" srcinfo="843:846">rainfall</span><span id="noHighlight_0.8889897349050679">,</span><span id="noHighlight_0.07759028357436826"> </span><span dstinfo="1081:1083" id="ouHighlight__851_852TO1081_1083" issource="false" paragraphname="paragraph0" srcinfo="851:852">low</span><span id="noHighlight_0.6703818188225108"> </span><span dstinfo="1085:1091" id="ouHighlight__837_841TO1085_1091" issource="false" paragraphname="paragraph0" srcinfo="837:841">spatial</span><span id="noHighlight_0.07568659302747793"> </span><span dstinfo="1093:1095" id="ouHighlight__854_859TO1093_1095" issource="false" paragraphname="paragraph0" srcinfo="854:859">and</span><span id="noHighlight_0.24724692990219155"> </span><span dstinfo="1097:1103" id="ouHighlight__867_871TO1097_1103" issource="false" paragraphname="paragraph0" srcinfo="867:871">spatial</span><span id="noHighlight_0.5165441114325879"> </span><span dstinfo="1105:1111" id="ouHighlight__861_865TO1105_1111" issource="false" paragraphname="paragraph0" srcinfo="861:865">factors</span><span id="noHighlight_0.7300694153269134"> </span><span dstinfo="1113:1134" id="ouHighlight__873_880TO1113_1134" issource="false" paragraphname="paragraph0" srcinfo="873:880">play an important role</span><span id="noHighlight_0.25879470563648143"> </span><span dstinfo="1136:1137" id="ouHighlight__882_883TO1136_1137" issource="false" paragraphname="paragraph0" srcinfo="882:883">in</span><span id="noHighlight_0.905222436188887"> </span><span dstinfo="1139:1149" id="ouHighlight__885_891TO1139_1149" issource="false" paragraphname="paragraph0" srcinfo="885:891">the changes</span><span id="noHighlight_0.9770536772601437"> </span><span dstinfo="1151:1166" id="ouHighlight__893_896TO1151_1166" issource="false" paragraphname="paragraph0" srcinfo="893:896">of precipitation</span><span id="noHighlight_0.8534860556267945">.</span><span id="noHighlight_0.777134684693243"> </span><span dstinfo="1169:1179" id="ouHighlight__912_924TO1169_1179" issource="false" paragraphname="paragraph0" srcinfo="912:924">In November</span><span dstinfo="1180:1186" id="ouHighlight__926_928TO1180_1186" issource="false" paragraphname="paragraph0" srcinfo="926:928">, while</span><span id="noHighlight_0.8770715423360156"> </span><span dstinfo="1188:1200" id="ouHighlight__930_934TO1188_1200" issource="false" paragraphname="paragraph0" srcinfo="930:934">strengthening</span><span id="noHighlight_0.37280924929810255"> </span><span dstinfo="1202:1204" id="ouHighlight__943_945TO1202_1204" issource="false" paragraphname="paragraph0" srcinfo="943:945">the</span><span id="noHighlight_0.8808072320010272"> </span><span dstinfo="1206:1211" id="ouHighlight__936_941TO1206_1211" issource="false" paragraphname="paragraph0" srcinfo="936:941">system</span><span id="noHighlight_0.16135147524695803"> </span><span dstinfo="1213:1228" id="ouHighlight__947_950TO1213_1228" issource="false" paragraphname="paragraph0" srcinfo="947:950">of precipitation</span><span id="noHighlight_0.7921814584959226"> </span><span dstinfo="1230:1231" id="ouHighlight__952_956TO1230_1231" issource="false" paragraphname="paragraph0" srcinfo="952:956">in</span><span id="noHighlight_0.8467276740500891"> </span><span dstinfo="1233:1243" id="ouHighlight__958_964TO1233_1243" issource="false" paragraphname="paragraph0" srcinfo="958:964">the region,</span><span id="noHighlight_0.38359554293517406"> </span><span dstinfo="1245:1255" id="ouHighlight__966_968TO1245_1255" issource="false" paragraphname="paragraph0" srcinfo="966:968">the role of</span><span id="noHighlight_0.00228863245638955"> </span><span dstinfo="1257:1263" id="ouHighlight__976_980TO1257_1263" issource="false" paragraphname="paragraph0" srcinfo="976:980">spatial</span><span id="noHighlight_0.9745495366803496"> </span><span dstinfo="1265:1271" id="ouHighlight__970_974TO1265_1271" issource="false" paragraphname="paragraph0" srcinfo="970:974">factors</span><span id="noHighlight_0.5276281190056666"> </span><span dstinfo="1273:1274" id="ouHighlight__982_983TO1273_1274" issource="false" paragraphname="paragraph0" srcinfo="982:983">in</span><span id="noHighlight_0.3442054696121313"> </span><span dstinfo="1276:1282" id="ouHighlight__985_991TO1276_1282" issource="false" paragraphname="paragraph0" srcinfo="985:991">changes</span><span id="noHighlight_0.27949612454044437"> </span><span dstinfo="1284:1285" id="ouHighlight__998_1002TO1284_1285" issource="false" paragraphname="paragraph0" srcinfo="998:1002">to</span><span id="noHighlight_0.6746765141384834"> </span><span dstinfo="1287:1294" id="ouHighlight__993_996TO1287_1294" issource="false" paragraphname="paragraph0" srcinfo="993:996">rainfall</span><span id="noHighlight_0.9898503010397595"> </span><span dstinfo="1296:1306" id="ouHighlight__1008_1017TO1296_1306" issource="false" paragraphname="paragraph0" srcinfo="1008:1017">reaches its</span><span id="noHighlight_0.5294101103863962"> </span><span dstinfo="1308:1311" id="ouHighlight__1004_1006TO1308_1311" issource="false" paragraphname="paragraph0" srcinfo="1004:1006">peak</span><span id="noHighlight_0.4270088535772467"> </span><span dstinfo="1313:1324" id="ouHighlight__1025_1037TO1313_1324" issource="false" paragraphname="paragraph0" srcinfo="1025:1037">in December,</span><span id="noHighlight_0.2345191776027058"> </span><span dstinfo="1326:1328" id="ouHighlight__1019_1023TO1326_1328" issource="false" paragraphname="paragraph0" srcinfo="1019:1023">but</span><span id="noHighlight_0.3954793428389016"> </span><span dstinfo="1330:1335" id="ouHighlight__1039_1045TO1330_1335" issource="false" paragraphname="paragraph0" srcinfo="1039:1045">due to</span><span id="noHighlight_0.8628176911763616"> </span><span dstinfo="1337:1345" id="ouHighlight__1047_1050TO1337_1345" issource="false" paragraphname="paragraph0" srcinfo="1047:1050">the power</span><span id="noHighlight_0.5295170107938942"> </span><span dstinfo="1347:1356" id="ouHighlight__1052_1061TO1347_1356" issource="false" paragraphname="paragraph0" srcinfo="1052:1061">systems of</span><span id="noHighlight_0.20076772481179894"> </span><span dstinfo="1358:1360" id="ouHighlight__1076_1076TO1358_1360" issource="false" paragraphname="paragraph0" srcinfo="1076:1076">the</span><span id="noHighlight_0.14406593909454934"> </span><span dstinfo="1362:1367" id="ouHighlight__1085_1089TO1362_1367" issource="false" paragraphname="paragraph0" srcinfo="1085:1089">proper</span><span id="noHighlight_0.6838231522128413"> </span><span dstinfo="1369:1376" id="ouHighlight__1078_1083TO1369_1376" issource="false" paragraphname="paragraph0" srcinfo="1078:1083">moisture</span><span id="noHighlight_0.24289974451776364"> </span><span dstinfo="1378:1391" id="ouHighlight__1068_1074TO1378_1391" issource="false" paragraphname="paragraph0" srcinfo="1068:1074">and nourishing</span><span id="noHighlight_0.6954199056404955"> </span><span dstinfo="1393:1400" id="ouHighlight__1063_1066TO1393_1400" issource="false" paragraphname="paragraph0" srcinfo="1063:1066">rainfall</span><span id="noHighlight_0.17643308274121838">,</span><span id="noHighlight_0.5126784956216963"> </span><span dstinfo="1403:1413" id="ouHighlight__1093_1098TO1403_1413" issource="false" paragraphname="paragraph0" srcinfo="1093:1098">of the role</span><span id="noHighlight_0.30436022177051214"> of </span><span dstinfo="1418:1425" id="ouHighlight__1120_1128TO1418_1425" issource="false" paragraphname="paragraph0" srcinfo="1120:1128">regional</span><span id="noHighlight_0.7188789278026335"> </span><span dstinfo="1427:1434" id="ouHighlight__1115_1118TO1427_1434" issource="false" paragraphname="paragraph0" srcinfo="1115:1118">rainfall</span><span id="noHighlight_0.8735725501129044"> </span><span dstinfo="1436:1440" id="ouHighlight__1130_1134TO1436_1440" issource="false" paragraphname="paragraph0" srcinfo="1130:1134">eased</span><span id="noHighlight_0.6177411069820027"> </span><span dstinfo="1442:1443" id="ouHighlight__1112_1113TO1442_1443" issource="false" paragraphname="paragraph0" srcinfo="1112:1113">on</span><span id="noHighlight_0.2979154217626834"> </span><span dstinfo="1445:1452" id="ouHighlight__1106_1110TO1445_1452" issource="false" paragraphname="paragraph0" srcinfo="1106:1110">location</span><span id="noHighlight_0.6753081527851032"> </span><span dstinfo="1454:1460" id="ouHighlight__1100_1104TO1454_1460" issource="false" paragraphname="paragraph0" srcinfo="1100:1104">factors</span><span id="noHighlight_0.05337007323958742"> </span><span dstinfo="1462:1464" id="ouHighlight__1136_1140TO1462_1464" issource="false" paragraphname="paragraph0" srcinfo="1136:1140">and</span><span id="noHighlight_0.7481172700763945"> </span><span dstinfo="1466:1475" id="ouHighlight__1142_1148TO1466_1475" issource="false" paragraphname="paragraph0" srcinfo="1142:1148">changes in</span><span id="noHighlight_0.5828614877381137"> </span><span dstinfo="1477:1489" id="ouHighlight__1150_1153TO1477_1489" issource="false" paragraphname="paragraph0" srcinfo="1150:1153">precipitation</span><span id="noHighlight_0.33866497807585194"> </span><span dstinfo="1491:1498" id="ouHighlight__1155_1162TO1491_1498" issource="false" paragraphname="paragraph0" srcinfo="1155:1162">are more</span><span id="noHighlight_0.23362501767784627"> </span><span dstinfo="1500:1509" id="ouHighlight__1177_1181TO1500_1509" issource="false" paragraphname="paragraph0" srcinfo="1177:1181">associated</span><span id="noHighlight_0.6718772917370201"> </span><span dstinfo="1511:1514" id="ouHighlight__1164_1165TO1511_1514" issource="false" paragraphname="paragraph0" srcinfo="1164:1165">with</span><span id="noHighlight_0.8945625168000464"> </span><span dstinfo="1516:1526" id="ouHighlight__1173_1175TO1516_1526" issource="false" paragraphname="paragraph0" srcinfo="1173:1175">atmospheric</span><span id="noHighlight_0.26186689600639634"> </span><span dstinfo="1528:1533" id="ouHighlight__1167_1171TO1528_1533" issource="false" paragraphname="paragraph0" srcinfo="1167:1171">agents</span><span id="noHighlight_0.5952310408938208">.</span></p>
تحلیل فضایی , نیم تغییرنما , رگرسیون موزون جغرافیایی , مرکز میانگین موزون , واریانس مکانی بارش , شمال غرب ایران
Geographical variance, regression, Semivariogram even rainfall location, North West of Iran
247
267
http://geographical-space.iau-ahar.ac.ir/browse.php?a_code=A-10-2607-1&slc_lang=fa&sid=1
Ali
Shahbaee Kotenaee
علی
شاهبایی کوتنایی
shahbai2008@yahoo.com
100319475328460016610
100319475328460016610
Yes
Zanjan University
دانشجوی دکتری اقلیمشناسی، دانشگاه زنجان. (نویسنده مسئول).
Hossein
Asakereh
حسین
عساکره
asakereh1@yahoo.com
100319475328460016611
100319475328460016611
No
Zanjan University
گروه جغرافیا، دانشگاه زنجان