{"id":51,"date":"2021-02-07T13:58:08","date_gmt":"2021-02-07T13:58:08","guid":{"rendered":"http:\/\/127.0.0.1\/3D-forinvent\/?page_id=51"},"modified":"2021-02-22T10:35:25","modified_gmt":"2021-02-22T10:35:25","slug":"terenska-izmjera","status":"publish","type":"page","link":"https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/","title":{"rendered":"TERENSKA IZMJERA"},"content":{"rendered":"<p>Preduvjet za primjenu metoda daljinskih istra\u017eivanja u izmjeri \u0161uma, tj. u procjeni varijabli pojedina\u010dnih stabala ili strukturnih elemenata \u0161umskih sastojina je postojanje modela (jednad\u017ebi) za procjenu istih. Za izradu te validaciju modela naj\u010de\u0161\u0107e se koriste podaci terenskih mjerenja prikupljeni na odre\u0111enom dijelu promatrane \u0161umske povr\u0161ine, koji se potom koriste na zna\u010dajno ve\u0107oj povr\u0161ini sli\u010dnih strukturnih karakteristika.<\/p>\n<p>Terenska mjerenja zapo\u010dela su s po\u010detkom provedbe projekta u o\u017eujku 2017. g. Glavnina terenskih mjerenja provedena su tijekom 2017. i 2018. g. na ukupno 164 primjernih ploha postavljenih u gospodarskoj jedinici Jastrebarski lugovi. Naknadno, tijekom 2019. i 2020. g. provodila su se i dodatna detaljna terenska mjerenja, ovisno o specifi\u010dnim potrebama pojedinih aktivnosti.<\/p>\n<p>Ukratko, provedeno je:<\/p>\n<ol>\n<li>uredsko planiranje uzorka primjernih ploha,<\/li>\n<li>terensko postavljanje primjernih ploha,<\/li>\n<li>izmjera stabala na primjernim plohama,<\/li>\n<li>dodatna detaljna terenska izmjera.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><strong>1)\u00a0 Uredsko planiranje uzorka primjernih ploha<\/strong><\/p>\n<p>Prije same terenske izmjere, u uredu je za odabrano podru\u010dje kori\u0161tenjem GIS-a (digitalni ortofoto, gospodarska podjela) kreirana sistematska mre\u017ea to\u010daka. Na temelju unaprijed odre\u0111enih pravila, te u ovisnosti o starosti sastojina razmak izme\u0111u to\u010daka mre\u017ee bio je 100 m \u00d7 100 m, 100 m \u00d7 200 m, 200 m \u00d7 100 m ili 200 m \u00d7 200 m.<\/p>\n<p>Ukupno je uredskim planiranjem odabrano 164 to\u010daka mre\u017ee odnosno 164 primjernih ploha.<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/jaska.sumins.hr\\\/3d-forinvent\\\/terenska-izmjera\\\/\"}' id='gallery-1' class='gallery galleryid-51 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/1_plots\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"580\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/1_plots\/\" data-orig-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?fit=1034%2C1189&amp;ssl=1\" data-orig-size=\"1034,1189\" data-comments-opened=\"0\" 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=\"1_plots\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?fit=261%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/1_plots.png?fit=891%2C1024&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n<p><strong>2)\u00a0 Terensko postavljanje uzorka primjernih ploha<\/strong><\/p>\n<p>Terenskoj izmjeri stabala prethodilo je postavljanje primjernih ploha, i to na temelju uredski odabranog uzorka primjernih ploha. Kori\u0161tenjem prostornih (x,y) koordinata planiranih ploha i GNSS prijemnika iste su na terenu locirane. Potom je sredi\u0161te svake plohe snimljeno GNSS prijemnikom Stonex S9IIIN povezanim s CROPOS-om, Hrvatskim pozicijskim sustavom odnosno dr\u017eavnom mre\u017eom referentnih GNSS stanica RH koja omogu\u0107ava odre\u0111ivanje polo\u017eaja u realnom vremenu s to\u010dno\u0161\u0107u od 2 cm u horizontalnom te 4 cm u vertikalnom smislu na \u010ditavom podru\u010dju dr\u017eave. Kako bi se postigla \u0161to ve\u0107a to\u010dnost GNSS mjerenja, antena prijemnika postavljena je na \u0161tap visine 4 m. Sredi\u0161ta primjernih ploha, odnosno njihove polo\u017eajne vrijednosti (x i y koordinate) izmjerene su HTRS96\/TM sustavu, a nadmorske visine to\u010daka (z) u visinskom sustavu HVRS71. Sredi\u0161te svake primjerne plohe obilje\u017eeno je \u017eutim kolcem.<\/p>\n<p>Osim kao sredi\u0161ta primjernih ploha, navedena GNSS mjerenja poslu\u017eila su i kao kontrolne terenske to\u010dke za validaciju DMR-a izra\u0111enih iz raznih izvora podataka.<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/jaska.sumins.hr\\\/3d-forinvent\\\/terenska-izmjera\\\/\"}' id='gallery-2' class='gallery galleryid-51 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/105\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/105.png?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/105.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/105.png?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"563\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/105\/\" data-orig-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/105.png?fit=381%2C672&amp;ssl=1\" data-orig-size=\"381,672\" data-comments-opened=\"0\" 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=\"105\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/105.png?fit=170%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/105.png?fit=381%2C672&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/106\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"562\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/106\/\" data-orig-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?fit=494%2C661&amp;ssl=1\" data-orig-size=\"494,661\" data-comments-opened=\"0\" 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=\"106\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?fit=224%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/106.png?fit=494%2C661&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n<p><strong>3) Terenska izmjera na primjernim plohama<\/strong><\/p>\n<p>U ovisnosti o gusto\u0107i i starosti sastojina, oko sredi\u0161ta primjernih ploha definirane su kru\u017ene plohe polumjera 8, 15 ili 20 m. Terenskom izmjerom obuhva\u0107ena su sva stabla na plohama s prsnim promjerom ve\u0107im od 10 cm (taksacijska granica). Ukupno je izmjereno 4943 stabla, a \u0161to je uklju\u010divalo:<\/p>\n<ul>\n<li>obroj\u010davanje stabala (od sjevera u smjeru kazaljke na satu),<\/li>\n<li>determiniranje vrste drve\u0107a,<\/li>\n<li>izmjera lokacije (na temelju izmjerene udaljenosti od sredi\u0161ta plohe kori\u0161tenjem daljinomjera i pomo\u0107u busole odre\u0111enog azimuta),<\/li>\n<li>izmjera dva me\u0111usobno okomita promjera promjerkom s centimetarskom podjelom,<\/li>\n<li>izmjera polumjera kro\u0161anja (mjerenjem vertikalno projiciranih polumjera kro\u0161anja na tlo pomo\u0107u daljinomjera; na poduzorku od 2158 stabala uglavnom nadstojne eta\u017ee za koja se smatralo da \u0107e biti vidljiva iz zraka i detektirana metodama daljinskih istra\u017eivanja),<\/li>\n<li>izmjera visine stabla i izmjera visine debla do prve \u017eive grane kro\u0161nje kori\u0161tenjem Vertex III visinomjera (na poduzorku od 3248 stabala odnosno na 65,7% stabala na plohama; visina ostalih stabala procijenjena je na temelju konstruiranih visinskih krivulja).<\/li>\n<\/ul>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/jaska.sumins.hr\\\/3d-forinvent\\\/terenska-izmjera\\\/\"}' id='gallery-3' class='gallery galleryid-51 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/101\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"567\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/101\/\" data-orig-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?fit=2560%2C1438&amp;ssl=1\" data-orig-size=\"2560,1438\" data-comments-opened=\"0\" 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=\"101\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?fit=300%2C169&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/101-scaled.jpg?fit=1024%2C575&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/102\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/102.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/102.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/102.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"566\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/102\/\" data-orig-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/102.jpg?fit=376%2C670&amp;ssl=1\" data-orig-size=\"376,670\" data-comments-opened=\"0\" 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=\"102\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/102.jpg?fit=168%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/102.jpg?fit=376%2C670&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/103\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"565\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/103\/\" data-orig-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?fit=948%2C711&amp;ssl=1\" data-orig-size=\"948,711\" data-comments-opened=\"0\" 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=\"103\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?fit=300%2C225&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/103.png?fit=948%2C711&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/104\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"564\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/104\/\" data-orig-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?fit=1438%2C2560&amp;ssl=1\" data-orig-size=\"1438,2560\" data-comments-opened=\"0\" 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=\"104\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?fit=169%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/104-scaled.jpg?fit=575%2C1024&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n<p><strong>4) Dodatna detaljna terenska izmjera<\/strong><\/p>\n<p>U svrhu pro\u0161irivanja istra\u017eivanja na terestri\u010dke tehnologije daljinskih istra\u017eivanja uspostavljeno je test podru\u010dje na jednom od odsjeka. Na odabranom podru\u010dju je izvr\u0161ena detaljna geodetska izmjera unutar \u0161est odabranih ploha polumjera 15 m. Terenskom izmjerom su obuhva\u0107ena sva stabla na plohama, \u0161to je \u010dinilo ukupno 128 stabala, a mjereni su:<\/p>\n<ul>\n<li>Tri visine svakog stabla, mjerene od strane tri opa\u017ea\u010da, sa tri razli\u010dita stajali\u0161ta, koriste\u0107i Vertex ure\u0111aj.<\/li>\n<li>\u010cetiri prsna promjera svakog stabla, o\u010ditavani na milimetar.<\/li>\n<li>Pozicija svakog stabla, mjerena totalnom stanicom.<\/li>\n<li>To\u010dke povr\u0161ine tla.<\/li>\n<li>Orijentacijske to\u010dke kori\u0161tene za daljnju fotogrametrijsku izmjeru.<\/li>\n<li>Uspostavljena je geodetska osnova stabilizirana u panjevima.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div data-carousel-extra='{\"blog_id\":1,\"permalink\":\"https:\\\/\\\/jaska.sumins.hr\\\/3d-forinvent\\\/terenska-izmjera\\\/\"}' id='gallery-4' class='gallery galleryid-51 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/oznor\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"617\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/oznor\/\" data-orig-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?fit=2560%2C1920&amp;ssl=1\" data-orig-size=\"2560,1920\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;VTR-L29&quot;,&quot;caption&quot;:&quot;oznor&quot;,&quot;created_timestamp&quot;:&quot;1535451771&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.95&quot;,&quot;iso&quot;:&quot;50&quot;,&quot;shutter_speed&quot;:&quot;0.001059&quot;,&quot;title&quot;:&quot;oznor&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?fit=300%2C225&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20180828_102248-1-scaled.jpg?fit=1024%2C768&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/cof\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"619\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/cof\/\" data-orig-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?fit=1920%2C2560&amp;ssl=1\" data-orig-size=\"1920,2560\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;VTR-L29&quot;,&quot;caption&quot;:&quot;cof&quot;,&quot;created_timestamp&quot;:&quot;1548326653&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.95&quot;,&quot;iso&quot;:&quot;50&quot;,&quot;shutter_speed&quot;:&quot;0.01&quot;,&quot;title&quot;:&quot;cof&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?fit=225%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i1.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190124_104412-1-scaled.jpg?fit=768%2C1024&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/sdr\/'><img width=\"150\" height=\"150\" src=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?resize=150%2C150&amp;ssl=1\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?resize=150%2C150&amp;ssl=1 150w, https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?zoom=2&amp;resize=150%2C150&amp;ssl=1 300w, https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?zoom=3&amp;resize=150%2C150&amp;ssl=1 450w\" sizes=\"(max-width: 150px) 100vw, 150px\" data-attachment-id=\"621\" data-permalink=\"https:\/\/jaska.sumins.hr\/3d-forinvent\/terenska-izmjera\/sdr\/\" data-orig-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?fit=2560%2C1920&amp;ssl=1\" data-orig-size=\"2560,1920\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;VTR-L29&quot;,&quot;caption&quot;:&quot;sdr&quot;,&quot;created_timestamp&quot;:&quot;1550664264&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;3.95&quot;,&quot;iso&quot;:&quot;50&quot;,&quot;shutter_speed&quot;:&quot;0.001463&quot;,&quot;title&quot;:&quot;sdr&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?fit=300%2C225&amp;ssl=1\" data-large-file=\"https:\/\/i2.wp.com\/jaska.sumins.hr\/3d-forinvent\/wp-content\/uploads\/2021\/02\/IMG_20190220_120423-scaled.jpg?fit=1024%2C768&amp;ssl=1\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Preduvjet za primjenu metoda daljinskih istra\u017eivanja u izmjeri \u0161uma, tj. u procjeni varijabli pojedina\u010dnih stabala ili strukturnih elemenata \u0161umskih sastojina je postojanje modela (jednad\u017ebi) za procjenu istih. Za izradu te validaciju modela naj\u010de\u0161\u0107e se koriste podaci terenskih mjerenja prikupljeni na odre\u0111enom dijelu promatrane \u0161umske povr\u0161ine, koji se potom koriste na zna\u010dajno ve\u0107oj povr\u0161ini sli\u010dnih strukturnih [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"spay_email":""},"_links":{"self":[{"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/pages\/51"}],"collection":[{"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/comments?post=51"}],"version-history":[{"count":23,"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/pages\/51\/revisions"}],"predecessor-version":[{"id":623,"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/pages\/51\/revisions\/623"}],"wp:attachment":[{"href":"https:\/\/jaska.sumins.hr\/3d-forinvent\/wp-json\/wp\/v2\/media?parent=51"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}