{"id":5363,"date":"2022-07-11T13:11:00","date_gmt":"2022-07-11T11:11:00","guid":{"rendered":"https:\/\/geopard.tech\/?p=5363"},"modified":"2026-09-13T10:54:52","modified_gmt":"2026-09-13T08:54:52","slug":"cum-ajuta-imaginile-din-satelit-la-monitorizarea-culturilor","status":"publish","type":"post","link":"https:\/\/geopard.tech\/ro\/blog\/how-satellite-imagery-help-in-crop-monitoring\/","title":{"rendered":"Cum ajut\u0103 imaginile din satelit la monitorizarea culturilor"},"content":{"rendered":"<p>Imaginile din satelit reprezint\u0103 una dintre cele mai versatile func\u021bii care pot fi implementate \u00een produc\u021bia agricol\u0103 pentru a \u00eembun\u0103t\u0103\u021bi procesul decizional. Luarea deciziilor, bazat\u0103 pe o cantitate mare de date, poate ajuta fermierii, agronomii sau consultan\u021bii s\u0103 \u00een\u021beleag\u0103 situa\u021bia \u0219i procesele care au loc \u00een c\u00e2mpurile agricole supuse monitoriz\u0103rii.<\/p>\n<h2>Ce este imagistica din satelit?<\/h2>\n<p>Imagistica prin satelit, cunoscut\u0103 \u0219i sub denumirea de teledetec\u021bie prin satelit, este procesul de utilizare a imaginilor din satelit pentru a colecta informa\u021bii despre suprafa\u021ba P\u0103m\u00e2ntului, atmosfer\u0103 \u0219i oceane. Aceast\u0103 tehnologie implic\u0103 utilizarea <a href=\"https:\/\/www.nasa.gov\/audience\/forstudents\/5-8\/features\/nasa-knows\/what-is-a-satellite-58.html\">sateli\u021bi<\/a> echipate cu senzori \u0219i camere specializate care pot capta imagini de \u00eenalt\u0103 rezolu\u021bie ale P\u0103m\u00e2ntului din spa\u021biu.<\/p>\n<p>Imaginile captate de sateli\u021bi pot fi utilizate pentru o varietate de aplica\u021bii, inclusiv monitorizarea modelelor meteorologice, urm\u0103rirea schimb\u0103rilor \u00een mediu, cartografierea utiliz\u0103rii terenurilor \u0219i a vegeta\u021biei \u0219i evaluarea impactului dezastrelor naturale. De asemenea, acestea pot fi utilizate \u00een scopuri militare \u0219i de informa\u021bii.<\/p>\n<p>Imagistica satelitar\u0103, cu beneficiile sale, poate prezenta situa\u021bii care nu pot fi observate prin observa\u021bii regulate. Observa\u021biile regulate pot fi foarte solicitante \u00een sensul cantit\u0103\u021bii de for\u021b\u0103 de munc\u0103 implementat\u0103, a finan\u021b\u0103rii \u0219i a timpului necesar.<\/p>\n<p>Chiar \u0219i cu observa\u021bii regulate efectuate \u00een perioada de cre\u0219tere a culturilor, exist\u0103 mai multe lucruri care nu pot fi observate cu ochiul liber, cum ar fi progresia timpurie a <a href=\"https:\/\/geopard.tech\/ro\/blog\/cum-sa-controlezi-bolile-culturilor-prin-agricultura-inteligenta\/\">boal\u0103<\/a> \u0219i daunele induse de d\u0103un\u0103tori, care duc \u00een cele din urm\u0103 la degradarea clorofilei la nivel celular.<\/p>\n<p>Prin integrarea \u0219i calcularea benzilor spectrale invizibile ochiului uman, cultivatorii \u0219i consultan\u021bii pot vizualiza cu u\u0219urin\u021b\u0103 degradarea clorofilei \u00eenainte de apari\u021bia simptomelor vizibile de boli sau d\u0103un\u0103tori la plante.<\/p>\n<p><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"5376\" data-permalink=\"https:\/\/geopard.tech\/ro\/blog\/how-satellite-imagery-help-in-crop-monitoring\/73-2-min\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?fit=1920%2C1040&amp;ssl=1\" data-orig-size=\"1920,1040\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Multispectral Satellite Imagery\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?fit=1024%2C555&amp;ssl=1\" class=\"alignnone wp-image-5376 size-large\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=810%2C439&#038;ssl=1\" alt=\"Imagini satelitare multispectrale\" width=\"810\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=1024%2C555&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=300%2C163&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=768%2C416&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=1536%2C832&amp;ssl=1 1536w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=2048%2C1109&amp;ssl=1 2048w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?resize=1200%2C650&amp;ssl=1 1200w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.2-min.jpg?w=1620&amp;ssl=1 1620w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p>Aceste avantaje \u00een monitorizarea culturilor sunt benefice \u00een tehnologiile actuale, permi\u021b\u00e2nd integrarea acestor informa\u021bii \u00een sistemele informa\u021bionale geografice, rezult\u00e2nd \u00een crearea unui set de date prompte \u0219i de calitate, gata de a fi utilizate \u00een procesele decizionale privind sistemele de produc\u021bie agricol\u0103.<\/p>\n<p>Pe l\u00e2ng\u0103 luarea deciziilor bazate pe informa\u021bii, imaginile din satelit pot fi utilizate pentru raportare, p\u0103strarea eviden\u021belor \u0219i integrarea cu diferite seturi de date (modele de boli \u0219i d\u0103un\u0103tori, <a href=\"https:\/\/geopard.tech\/ro\/date-despre-randament\/\">h\u0103r\u021bi de randament<\/a>, monitorizarea d\u0103un\u0103torilor, h\u0103r\u021bi de fertilizare etc.) pentru a crea un sistem \u0219i mai func\u021bional de monitorizare a culturilor \u0219i a modului \u00een care fermierul sau al\u021bi profesioni\u0219ti v\u0103d progresul culturilor \u00een perioada lor de cre\u0219tere.<\/p>\n<h2>Cum sunt folosite imaginile din satelit \u00een agricultur\u0103?<\/h2>\n<p>Imaginile pot fi utilizate pentru a modela \u0219i calcula indici spectrali care ulterior sunt echivala\u021bi pentru a fi utiliza\u021bi pentru vizualizare sub form\u0103 de sintez\u0103 a culorilor, fie \u00een partea vizibil\u0103 a spectrului, fie prin includerea altor lungimi de und\u0103. Sinteza culorilor selectat\u0103 corect poate dezv\u0103lui cre\u0219terea culturilor, stresul sau starea solului. <a href=\"https:\/\/geopard.tech\/ro\/blog\/cum-sa-tratam-eroziunea-apei\/\">eroziune<\/a> afi\u0219ate cu culori diferite.<\/p>\n<p>Indicii spectrali sunt combina\u021bii de reflexie spectral\u0103 a dou\u0103 sau mai multe lungimi de und\u0103 pentru a ar\u0103ta caracteristicile de interes. Indicii culturilor sunt cel mai frecvent utiliza\u021bi \u00een agricultur\u0103, dar indicii sunt utiliza\u021bi pentru identificarea zonelor arse, a altor caracteristici artificiale, a apei \u0219i a altor caracteristici geologice.<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"5377\" data-permalink=\"https:\/\/geopard.tech\/ro\/blog\/how-satellite-imagery-help-in-crop-monitoring\/73-3-min\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?fit=1920%2C1040&amp;ssl=1\" data-orig-size=\"1920,1040\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Hyperspectral Satellite Imagery\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?fit=1024%2C555&amp;ssl=1\" class=\"alignnone wp-image-5377 size-large\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=810%2C439&#038;ssl=1\" alt=\"Imagini satelitare hiperspectrale\" width=\"810\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=1024%2C555&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=300%2C163&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=768%2C416&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=1536%2C832&amp;ssl=1 1536w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=2048%2C1109&amp;ssl=1 2048w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?resize=1200%2C650&amp;ssl=1 1200w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.3-min.jpg?w=1620&amp;ssl=1 1620w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/p>\n<p><strong>Indicii spectrali utili \u00een produc\u021bia agricol\u0103 includ:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/geopard.tech\/ro\/blog\/indicele-de-vegetatie-cum-sunt-utilizati-in-agricultura-de-precizie\/\">NDVI<\/a> (Indicele de vegeta\u021bie cu diferen\u021b\u0103 normalizat\u0103).<\/li>\n<li>EVI (Indicele Vegeta\u021biei \u00cembun\u0103t\u0103\u021bite).<\/li>\n<li>RENDVI sau NDRE (Indicele de vegeta\u021bie cu diferen\u021b\u0103 normalizat\u0103 la marginea ro\u0219ie).<\/li>\n<li>GNDVI (Indicele de vegeta\u021bie cu diferen\u021b\u0103 normalizat\u0103 verde).<\/li>\n<li>MSI sau NDWI (Indice de stres la umiditate).<\/li>\n<li>IAF (Indicele suprafe\u021bei foliare).<\/li>\n<\/ul>\n<p>NDVI este unul dintre cei mai utiliza\u021bi indici \u0219i este frecvent utilizat pentru a analiza starea ini\u021bial\u0103 a unei culturi. Al\u021bi indici lucreaz\u0103 cu anumite caracteristici, astfel \u00eenc\u00e2t rezultatele sunt specifice anumitor amplasamente agricole, fiind important s\u0103 se lucreze cu istoricul vegeta\u021biei terestre.<\/p>\n<h2>NDVI (Indicele de Vegeta\u021bie cu Diferen\u021b\u0103 Normalizat\u0103)<\/h2>\n<p>Acest indice este o m\u0103sur\u0103 a vegeta\u021biei verzi \u0219i este, \u00een general, cel mai utilizat indice. Frunzele reflect\u0103 lumina infraro\u0219ie (NIR) \u0219i utilizeaz\u0103 doar lumina vizibil\u0103 pentru fotosintez\u0103. Aceasta \u00eenseamn\u0103 c\u0103 o plant\u0103 s\u0103n\u0103toas\u0103 cu o rat\u0103 bun\u0103 de fotosintez\u0103 poate fi analizat\u0103 prin compararea NIR cu lumina ro\u0219ie vizibil\u0103.<\/p>\n<p>Vegeta\u021bia nes\u0103n\u0103toas\u0103 va reflecta mai mult\u0103 lumin\u0103 vizibil\u0103 \u0219i va reduce raza de infraro\u0219u apropiat\u0103 (NIR). Vegeta\u021bia s\u0103n\u0103toas\u0103 va reduce o parte din lumina vizibil\u0103 care cade pe ea. Cu toate acestea, NDVI este sensibil la efectele solului (lumin\u0103 \u0219i culoare), ale norilor \u0219i ale umbrei. De asemenea, valorile NDVI pot fi incorecte \u00eentr-o situa\u021bie cu vegeta\u021bie dens\u0103.<\/p>\n<p><strong>EVI (Indicele Vegeta\u021biei \u00cembun\u0103t\u0103\u021bite)<\/strong><\/p>\n<p>Acest indice este standardul pentru spectrele cu rezolu\u021bie moderat\u0103 \u2013 un instrument utilizat pe sateli\u021bii Terra \u0219i Aqua. EVI prezint\u0103 o alternativ\u0103 la NDVI, care se refer\u0103 la unele dintre deficien\u021bele sale, de exemplu, constr\u00e2ngerile legate de sol \u0219i atmosfer\u0103, prin optimizarea reflectivit\u0103\u021bii vegeta\u021biei cu frunze.<\/p>\n<p>Folose\u0219te partea albastr\u0103 a spectrului vizibil pentru corec\u021bia semnalului, reduc\u00e2nd efectele constr\u00e2ngerilor men\u021bionate mai sus, inclusiv \u00eempr\u0103\u0219tierea radia\u021biilor electromagnetice de c\u0103tre aerosoli.<\/p>\n<p><strong>RENDVI sau NDRE (Indicele de vegeta\u021bie cu diferen\u021b\u0103 normalizat\u0103 la marginea ro\u0219ie)<\/strong><\/p>\n<p>Acest indice se bazeaz\u0103 pe indicele NDVI standard, dar cu modific\u0103ri. RENDVI este foarte util \u00een agricultura de precizie, monitorizarea p\u0103durilor \u0219i detectarea stresului culturilor.<\/p>\n<p>Eficacitatea sa se datoreaz\u0103 includerii lungimilor de und\u0103 care se \u00eencadreaz\u0103 \u00een banda ro\u0219ie final\u0103, mai degrab\u0103 dec\u00e2t lungimilor de und\u0103 care corespund valorii reflexiei \u0219i absorb\u021biei. Este deosebit de convenabil pentru detectarea micilor schimb\u0103ri \u00een starea vegeta\u021biei.<\/p>\n<p><strong>GNDVI (Indicele de vegeta\u021bie cu diferen\u021b\u0103 normalizat\u0103 verde)<\/strong><\/p>\n<p>Acest indice este similar cu indicele NDVI \u0219i m\u0103soar\u0103 reflexia luminii \u00een partea verde a spectrului \u00een intervalul de lungimi de und\u0103 de la 540 la 570 nanometri, \u00een loc de partea ro\u0219ie a spectrului. Acest lucru face ca indicele s\u0103 fie mai sensibil la con\u021binutul de clorofil\u0103 din p\u0103r\u021bile verzi ale culturilor.<\/p>\n<p><strong>MSI (Indicele de stres umed)<\/strong><\/p>\n<p>Acest indice este sensibil la cre\u0219terea con\u021binutului de ap\u0103 din frunze. Indicele MSI este utilizat pentru a detecta stresul cauzat de deficitul de ap\u0103 \u0219i este un bun indicator al condi\u021biilor culturilor, adesea utilizat pentru modelarea culturilor, analiza incendiilor \u0219i fiziologia ecosistemului. Valorile mari indic\u0103 stres hidric \u0219i un con\u021binut mai sc\u0103zut de ap\u0103.<\/p>\n<p><strong>IAF (Indicele suprafe\u021bei foliare)<\/strong><\/p>\n<p>Acest indice este utilizat pentru a estima suprafa\u021ba frunzelor \u0219i pentru a prezice cre\u0219terea \u0219i randamentul plantelor.<\/p>\n<h2>Tipuri de imagini satelitare ale culturilor<\/h2>\n<table>\n<tbody>\n<tr>\n<td><b>Furnizori de sateli\u021bi \u0219i tehnologie<\/b><\/td>\n<td><b>Tipul de imagini din satelit<\/b><\/td>\n<td><b>Repeta\u021bi ciclul<\/b><\/td>\n<td><b>Rezolu\u021bie spa\u021bial\u0103<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Landsat4-9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">RGB, MULTISPECTRAL, PANCROMATIC<\/span><\/td>\n<td><span style=\"font-weight: 400;\">8 zile<\/span><\/td>\n<td><span style=\"font-weight: 400;\">15, 30, 100 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sentinel-2,<\/span><\/td>\n<td><span style=\"font-weight: 400;\">RGB, MULTISPECTRAL<\/span><\/td>\n<td><span style=\"font-weight: 400;\">5 zile<\/span><\/td>\n<td><span style=\"font-weight: 400;\">10 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Planet Scope<\/span><\/td>\n<td><span style=\"font-weight: 400;\">RGB, MULTISPECTRAL<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Zilnic<\/span><\/td>\n<td><span style=\"font-weight: 400;\">3-4 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Planeta SkySat<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PANCROMATICE, MULTISPECTRALE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Zilnic<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,5, 0,71-0,82 m<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Airbus Pleiade<\/span><\/td>\n<td><span style=\"font-weight: 400;\">MULTISPECTRAL<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Zilnic<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,5 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Implor\u0103 NEO<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PANCROMATICE, MULTISPECTRALE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">40 de minute dup\u0103 solicitare<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,3 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">ICEEYE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">RADAR CU APERTUR\u0102 SINTETIC\u0102<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Zilnic<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,25 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hyperion<\/span><\/td>\n<td><span style=\"font-weight: 400;\">HIPERSPECTRAL<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N \/ A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">30 metri<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Prism\u0103<\/span><\/td>\n<td><span style=\"font-weight: 400;\">HIPERSPECTRAL<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N \/ A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0,3 metri<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>Cazuri de utilizare a imaginilor satelitare<\/b><\/h2>\n<p>Iat\u0103 c\u00e2teva utiliz\u0103ri importante ale imaginilor din satelit \u00een monitorizarea culturilor:<\/p>\n<p><b>Imagistic\u0103 termic\u0103<\/b><\/p>\n<p><span style=\"font-weight: 400;\">C\u0103ldura emis\u0103 de obiectele de la nivelul solului poate fi observat\u0103 \u00een fotografiile termice realizate din aer, care dezv\u0103luie \u0219i varia\u021bii de temperatur\u0103 care corespund stresului culturilor. Eliminarea din imagine a elementelor inutile, cum ar fi echipamentele de pivotare, prin calibrare \u0219i corectare a imaginii previne distorsiunea datelor. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Regiunile mai reci sunt afi\u0219ate \u00een violet, iar regiunile mai calde apar \u00een galben \u00een imaginea final\u0103. Imagistica termic\u0103 este util\u0103 pentru g\u0103sirea scurgerilor, blocajelor \u0219i a altor probleme de irigare, deoarece apa r\u0103ce\u0219te vegeta\u021bia. Imagistica termic\u0103 ajut\u0103 cultivatorii s\u0103 identifice presiunile presimptomatice ale bolilor \u0219i d\u0103un\u0103torilor \u0219i s\u0103 r\u0103spund\u0103 cu interven\u021bii mai prompte \u0219i mai concentrate, dezv\u0103luind mici modific\u0103ri ale temperaturii suprafe\u021bei frunzelor.<\/span><\/p>\n<p><b>Umiditatea solului<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Agricultura trebuie s\u0103 ia \u00een considerare umiditatea solului. Pentru aplica\u021biile agriculturii de precizie (la scara c\u00e2mpurilor individuale) \u0219i cu anticiparea \u00eembun\u0103t\u0103\u021birii model\u0103rii randamentului culturilor, disponibilitatea h\u0103r\u021bilor de \u00eenalt\u0103 rezolu\u021bie a umidit\u0103\u021bii solului este deosebit de important\u0103. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Din cauza rezolu\u021biei spa\u021biale slabe \u0219i a profunzimii reduse a observa\u021biilor, produsele de umiditate a solului generate de sateli\u021bi au fost utilizate p\u00e2n\u0103 acum cu raritate \u00een sprijinul deciziilor agricole la scar\u0103 agricol\u0103 sau de c\u00e2mp. Cu toate acestea, dac\u0103 pot furniza date pertinente la dimensiuni temporale \u0219i spa\u021biale acceptabile, se anticipeaz\u0103 c\u0103 umiditatea solului derivat\u0103 din sateli\u021bi va avea un poten\u021bial semnificativ.<\/span><\/p>\n<p><b>Rezolu\u0163ie<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Imagistica satelitar\u0103 de \u00eenalt\u0103 rezolu\u021bie ob\u021binut\u0103 de la sateli\u021bi pe orbit\u0103 joas\u0103 a devenit recent mai dezvoltat\u0103 \u0219i mai accesibil\u0103, oferind un alt poten\u021bial pentru aplica\u021biile de fenotipare. Aceast\u0103 lucrare ilustreaz\u0103 modul \u00een care fotografia satelitar\u0103 este utilizat\u0103 \u00een fenotiparea culturilor \u0219i \u00een produc\u021bia agricol\u0103 \u0219i identific\u0103 caracteristicile plantelor care pot fi evaluate folosind date satelitare de \u00eenalt\u0103 rezolu\u021bie. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Lucrarea prezint\u0103 beneficiile utiliz\u0103rii fenotip\u0103rii bazate pe satelit \u00een programele de ameliorare a culturilor, precum \u0219i dezavantajele acesteia, cum ar fi blocajul cauzat de nori. De asemenea, exploreaz\u0103 poten\u021bialele utiliz\u0103ri ale imagisticii satelitare de \u00eenalt\u0103 rezolu\u021bie ca instrument de fenotipare \u00een viitor. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pentru a ajuta amelioratorii de plante s\u0103 aleag\u0103 soiuri cu randament ridicat \u0219i tolerante la stres, care pot contribui la satisfacerea cererii globale de alimente, \u00een timp ce fac fa\u021b\u0103 schimb\u0103rilor climatice, imaginile satelitare de \u00eenalt\u0103 rezolu\u021bie pot fi utilizate ca instrument de fenotipare pentru evaluarea soiurilor de culturi.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> <img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"5378\" data-permalink=\"https:\/\/geopard.tech\/ro\/blog\/how-satellite-imagery-help-in-crop-monitoring\/73-4-min\/\" data-orig-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?fit=2400%2C1300&amp;ssl=1\" data-orig-size=\"2400,1300\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Satellite monitoring of crops\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?fit=1024%2C555&amp;ssl=1\" class=\"alignnone wp-image-5378 size-large\" src=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=810%2C439&#038;ssl=1\" alt=\"Monitorizare prin satelit\" width=\"810\" height=\"439\" srcset=\"https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=1024%2C555&amp;ssl=1 1024w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=300%2C163&amp;ssl=1 300w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=768%2C416&amp;ssl=1 768w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=1536%2C832&amp;ssl=1 1536w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=2048%2C1109&amp;ssl=1 2048w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?resize=1200%2C650&amp;ssl=1 1200w, https:\/\/i0.wp.com\/geopard.tech\/wp-content\/uploads\/2022\/07\/73.4-min.jpg?w=1620&amp;ssl=1 1620w\" sizes=\"(max-width: 810px) 100vw, 810px\" \/><\/span><\/p>\n<p><b>Aplica\u021bii ale imaginilor din satelit<\/b><\/p>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/geopard.tech\/ro\/\">GeoPard<\/a> capacit\u0103\u021bi \u0219i<a href=\"https:\/\/geopard.tech\/ro\/blog\/cum-ajuta-imaginile-din-satelit-la-monitorizarea-culturilor\/\"> aplica\u021biile de imagistic\u0103 prin satelit ofer\u0103<\/a> utilizatorilor s\u0103 vizualizeze, s\u0103 normalizeze, s\u0103 analizeze \u0219i s\u0103 ob\u021bin\u0103 informa\u021bii direct din parcelele agricole pentru a \u00eembun\u0103t\u0103\u021bi produc\u021bia culturilor. Aceast\u0103 utilizare a datelor se poate face cu ajutorul algoritmilor GeoPard gata de utilizare sau prin crearea propriilor algoritmi pentru a-i face utili \u00een agronomie. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ace\u0219ti algoritmi permit evaluarea cre\u0219terii culturilor, a stresului etc. (vezi foto) sau chiar crearea de h\u0103r\u021bi de prescrip\u021bie: de exemplu h\u0103r\u021bi de aplicare a azotului VR, h\u0103r\u021bi de aplicare a pulveriz\u0103rii pentru protec\u021bia culturilor.<\/span><\/p>\n<hr \/>\n<h2>\u00centreb\u0103ri frecvente<\/h2>\n<hr \/>\n<p><strong>1. Cum se ob\u021bin imagini din satelit pentru o ferm\u0103?<\/strong><\/p>\n<p>Pentru a-l ob\u021bine pentru ferma dvs., c\u0103uta\u021bi furnizori, \u00eenregistra\u021bi-v\u0103 \u0219i accesa\u021bi baza de date sau portalul lor. Specifica\u021bi loca\u021bia fermei dvs. \u0219i parametrii dori\u021bi pentru a prelua imagini relevante pentru monitorizarea agricol\u0103.<\/p>\n<p><strong>2. De ce sunt utile imaginile din satelit pentru \u00een\u021belegerea re\u021belelor trofice?<\/strong><\/p>\n<p>Este util \u00een \u00een\u021belegerea re\u021belelor trofice datorit\u0103 capacit\u0103\u021bii sale de a oferi o imagine larg\u0103 \u0219i cuprinz\u0103toare a ecosistemelor. Prin capturarea de imagini la scar\u0103 larg\u0103 ale corpurilor terestre \u0219i de ap\u0103, permite oamenilor de \u0219tiin\u021b\u0103 s\u0103 observe \u0219i s\u0103 analizeze distribu\u021bia spa\u021bial\u0103 a diferitelor habitate \u0219i resurse.<\/p>\n<p>Acest lucru, la r\u00e2ndul s\u0103u, ajut\u0103 la studierea interac\u021biunilor dintre diferite specii, identificarea rela\u021biilor cheie de hr\u0103nire \u0219i \u00een\u021belegerea fluxului de energie prin re\u021belele trofice.<\/p>\n<p>Ajut\u0103 la dezv\u0103luirea dinamicii ecologice complexe, contribuind la o \u00een\u021belegere mai profund\u0103 a func\u021bion\u0103rii ecosistemelor \u0219i a eforturilor de conservare.<\/p>\n<p><strong>3. C\u00e2t de scumpe sunt imaginile din satelit?<\/strong><\/p>\n<p>Costul s\u0103u variaz\u0103 \u00een func\u021bie de mai mul\u021bi factori. Ace\u0219tia includ furnizorul, rezolu\u021bia, frecven\u021ba de achizi\u021bie \u0219i extinderea acoperirii necesare. Pre\u021burile pot varia de la op\u021biuni accesibile pentru imagini de rezolu\u021bie mic\u0103 p\u00e2n\u0103 la op\u021biuni mai scumpe pentru monitorizare de \u00eenalt\u0103 rezolu\u021bie \u0219i \u00een timp real.<\/p>\n<p>\u00cen plus, serviciile specializate sau solicit\u0103rile de date personalizate pot implica costuri suplimentare. Este recomandabil s\u0103 explora\u021bi diferi\u021bi furnizori \u0219i modelele lor de pre\u021buri pentru a g\u0103si o solu\u021bie de imagistic\u0103 satelitar\u0103 care s\u0103 se alinieze cerin\u021belor \u0219i bugetului dumneavoastr\u0103 specifice.<\/p>\n<p><strong>4. Ce sunt imaginile satelitare \u00een infraro\u0219u? Cum se citesc?<\/strong><\/p>\n<p>Capteaz\u0103 radia\u021bia infraro\u0219ie emis\u0103 de obiectele \u0219i suprafe\u021bele de pe suprafa\u021ba P\u0103m\u00e2ntului. Ofer\u0103 informa\u021bii valoroase despre varia\u021biile de temperatur\u0103 \u0219i modelele termice.<\/p>\n<p>Pentru a citi imagini satelitare \u00een infraro\u0219u, trebuie s\u0103 \u00een\u021belegem c\u0103 obiectele mai calde apar mai luminoase \u00een imagine, \u00een timp ce obiectele mai reci apar mai \u00eentunecate. Analiz\u00e2nd aceste varia\u021bii de temperatur\u0103, se pot evalua forma\u021biunile norilor, se pot identifica disparit\u0103\u021bile de temperatur\u0103 dintre uscat \u0219i ap\u0103, se pot detecta incendiile de vegeta\u021bie \u0219i chiar se pot monitoriza curen\u021bii oceanici.<\/p>\n<p>\u00cen\u021belegerea scalei de culori \u0219i interpretarea nivelurilor de luminozitate din imagini ajut\u0103 la extragerea de informa\u021bii semnificative din imaginile satelitare \u00een infraro\u0219u.<\/p>","protected":false},"excerpt":{"rendered":"<p>Imaginile din satelit sunt una dintre cele mai versatile func\u021bii care pot fi implementate \u00een produc\u021bia agricol\u0103 pentru a \u00eembun\u0103t\u0103\u021bi procesul decizional. Luarea deciziilor,\u2026<\/p>","protected":false},"author":210157960,"featured_media":5375,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_eb_attr":"","content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1661,1380],"tags":[1599],"class_list":["post-5363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-satellite-imagery","category-whats","tag-remote-sensing"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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