{"id":1791,"date":"2016-11-29T09:00:13","date_gmt":"2016-11-29T06:00:13","guid":{"rendered":"http:\/\/blog.gezgin.gov.tr\/?p=1791"},"modified":"2020-12-22T11:29:06","modified_gmt":"2020-12-22T08:29:06","slug":"gokturk2tarimsalizlame","status":"publish","type":"post","link":"https:\/\/blog.gezgin.gov.tr\/?p=1791","title":{"rendered":"Tar\u0131msal Alanlar\u0131n G\u00f6kt\u00fcrk-2 ile \u0130zlenmesi"},"content":{"rendered":"

D\u00fcnya n\u00fcfusu h\u0131zla artmaktad\u0131r. Birle\u015fmi\u015f Milletler taraf\u0131ndan yap\u0131lan tahminlerde D\u00fcnya n\u00fcfusunun 2050 y\u0131l\u0131nda 9 milyar\u0131 ge\u00e7mesi beklenmektedir. T\u00fcrkiye n\u00fcfusu ise 95 milyonu ge\u00e7ecektir. Artan n\u00fcfus ile birlikte g\u0131da g\u00fcvenli\u011fi devletler i\u00e7in daha \u00f6nem kazanmaktad\u0131r.<\/p>\n

Kritik \u00f6neme sahip Bu\u011fday, M\u0131s\u0131r, Pirin\u00e7 ve Soya \u00fcr\u00fcnlerinin sa\u011fl\u0131k durumlar\u0131 G20 \u00fclkeleri taraf\u0131ndan desteklenen GEOGLAM organizasyonu taraf\u0131ndan takip edilmektedir.<\/p>\n

\u00dclkeler g\u0131da politikalar\u0131n\u0131 belirlemek i\u00e7in tar\u0131msal destekler verilememektedir. Bu desteklerin takip edilmesi i\u00e7in uydu g\u00f6r\u00fcnt\u00fcleri ile uzaktan alg\u0131lama alg\u0131lama y\u00f6ntemleri kullan\u0131labilmektedir.<\/p>\n

Uzaktan alg\u0131lamada bitkileri tespit i\u00e7in en \u00e7ok kullan\u0131lan y\u00f6ntem Normalle\u015ftirilmi\u015f Bitki Fark \u0130ndeksi(NDVI)\u2019dir. Fotosentez yapan canl\u0131 bitkiler \u0131\u015f\u0131\u011f\u0131n k\u0131rm\u0131z\u0131 dalgaboyunu so\u011fururlar iken g\u00f6z\u00fcm\u00fcz\u00fcn g\u00f6remedi\u011fi yak\u0131n k\u0131z\u0131l\u00f6tesi \u0131\u015f\u0131\u011f\u0131n (Near Infrared, NIR) b\u00fcy\u00fck k\u0131sm\u0131n\u0131 yans\u0131tmaktad\u0131rlar. Bitkiler g\u00f6r\u00fcn\u00fcr bantta g\u00fcne\u015ften gelen ye\u015fil \u0131\u015f\u0131\u011f\u0131 di\u011fer renklere g\u00f6re daha \u00e7ok yans\u0131tt\u0131klar\u0131 i\u00e7in g\u00f6z\u00fcm\u00fcze ye\u015fil renk olarak g\u00f6r\u00fcn\u00fcrler. \u015eekil 1 ile g\u00f6sterildi\u011fi gibi sa\u011fl\u0131kl\u0131 bitkiler k\u0131z\u0131l\u00f6tesi bantta ise g\u00fcne\u015ften gelen \u0131\u015f\u0131\u011f\u0131n b\u00fcy\u00fck bir k\u0131sm\u0131n\u0131 geri yans\u0131t\u0131rlar.<\/p>\n

\"Sekil1\"<\/a>
\u015eekil 1 Sa\u011fl\u0131kl\u0131 bitkinin farkl\u0131 dalgaboylar\u0131ndaki yans\u0131ma de\u011ferleri<\/figcaption><\/figure>\n

Uydu g\u00f6r\u00fcnt\u00fclerinden tar\u0131m ekili \u00fcr\u00fcnlerin yeti\u015ftirme takvimi kullan\u0131larak \u00fcr\u00fcn haritas\u0131 \u00e7\u0131karmak m\u00fcmk\u00fcnd\u00fcr.<\/p>\n

\u00d6rne\u011fin Harran Ovas\u0131\u2019nda \u00e7o\u011funlukla bu\u011fday, m\u0131s\u0131r ve pamuk yeti\u015ftirilmektedir. Bu \u00fcr\u00fcnler s\u0131ras\u0131yla yakla\u015f\u0131k olarak %5, %15 ve %80 oran\u0131nda ekilmektedirler. M\u0131s\u0131r \u00e7o\u011funlukla bu\u011fday ekiminden sonra ikinci \u00fcr\u00fcn olarak yeti\u015ftirilmektedir.<\/p>\n

Bu \u00fcr\u00fcnlerin temsili geli\u015fimleri a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir:Bu\u011fday\u0131n geli\u015fimi k\u0131\u015f d\u00f6neminde ger\u00e7ekle\u015firken, bu\u011fday ekili alanlar\u0131n \u00e7o\u011funlu\u011fu ikinci \u00fcr\u00fcn olarak m\u0131s\u0131r ekmektedir. Pamuk ekimi ise nisan ay\u0131nda ger\u00e7ekle\u015fmek hazirandan itibaren uydu g\u00f6r\u00fcnt\u00fclerinden g\u00f6r\u00fclebilmektedir.<\/p>\n

\"Sekil2\"<\/a>
\u015eekil 2 Harran Ovas\u0131 bu\u011fday, m\u0131s\u0131r ve pamuk \u00fcr\u00fcnlerinin NDVI de\u011ferlerinin y\u0131l i\u00e7erisinde de\u011fi\u015fimi<\/figcaption><\/figure>\n

 <\/p>\n\n\n\n\n
\u00dclkemizin ilk y\u00fcksek \u00e7\u00f6z\u00fcn\u00fcrl\u00fckl\u00fc yer g\u00f6zlem uydusu olan G\u00f6kt\u00fcrk-2 2,5 metre \u00e7\u00f6z\u00fcn\u00fcrl\u00fc\u011f\u00fc ve sahip oldu\u011fu k\u0131z\u0131l\u00f6tesi band\u0131 ile tar\u0131msal izleme amac\u0131 ile kullan\u0131labilmektedir. G\u00f6kt\u00fcrk-2 uydusu ile 2015 ve 2016 y\u0131llar\u0131nda Harran Ovas\u0131\u2019ndan uydu g\u00f6r\u00fcnt\u00fcleri \u00e7ekilmi\u015ftir.G\u00f6r\u00fcnt\u00fclenen alan mavi ile i\u015faretlenmi\u015ftir.<\/td>\n\u00a0\"Sekil3\"<\/a><\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"Sekil10\"<\/a>
\u015eekil 3\u00a0G\u00f6kt\u00fcrk-2 temsili Harran Ovas\u0131 g\u00f6r\u00fcnt\u00fc \u00e7ekimi<\/figcaption><\/figure>\n

2015 ve 2016 y\u0131lllar\u0131nda \u00e7ekilen G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fclerinde farkl\u0131 \u00fcr\u00fcnlerin geli\u015fimi yak\u0131n k\u0131z\u0131l\u00f6tesi sahte renk g\u00f6sterimi ile izlenebilmektedir<\/p>\n

\"Sekil4\"<\/a>
\u015eekil 4\u00a02015 G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fcleri ger\u00e7ek renk g\u00f6sterimi<\/figcaption><\/figure>\n

 <\/p>\n

\"Sekil5\"<\/a>
\u015eekil 5\u00a02015 G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fcleri yak\u0131n k\u0131z\u0131l\u00f6tesi sahte renk g\u00f6sterimi<\/figcaption><\/figure>\n

 <\/p>\n

\"Sekil6\"<\/a>
\u015eekil 6\u00a02016 G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fcleri ger\u00e7ek renk g\u00f6sterimi<\/figcaption><\/figure>\n

 <\/p>\n

\"Sekil7\"<\/a>
\u015eekil 7\u00a02016 G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fcleri yak\u0131n k\u0131z\u0131l\u00f6tesi sahte renk g\u00f6sterimi<\/figcaption><\/figure>\n

\u00dcr\u00fcnlerin geli\u015fim bilgileri kullan\u0131larak haz\u0131rlanan birle\u015fke NDVI g\u00f6r\u00fcnt\u00fcleri \u00fcr\u00fcn haritas\u0131 olu\u015fturmada kullan\u0131labilir. \u00d6rne\u011fin Nisan, Haziran ve A\u011fustos aylar\u0131nda \u00e7ekilmi\u015f g\u00f6r\u00fcnt\u00fclerden olu\u015fturulan birle\u015ftirilmi\u015f g\u00f6r\u00fcnt\u00fc s\u0131ras\u0131ya k\u0131rm\u0131z\u0131, ye\u015fil ve mavi olarak renklendirildi\u011finde k\u0131rm\u0131z\u0131 renk ile g\u00f6sterilen alanlar bu\u011fday, mor renk bu\u011fday ve m\u0131s\u0131r ve mavi renk ile g\u00f6sterilen b\u00f6lgelerin ise pamuk \u00fcr\u00fcnlerini temsil etti\u011fi g\u00f6r\u00fclebilir. Ayr\u0131ca alanda yeti\u015ftirilen yonca a\u00e7\u0131k ye\u015fil ve sebzeler ise koyu k\u0131rm\u0131z\u0131 alanlar olarak g\u00f6r\u00fclebilmektedir.<\/p>\n

\"Sekil8\"<\/a>
\u015eekil 8\u00a0May\u0131s-Haziran-A\u011fustos Bitki \u00d6rt\u00fcs\u00fc birle\u015fik g\u00f6r\u00fcnt\u00fcs\u00fc<\/figcaption><\/figure>\n

\u00dcr\u00fcn geli\u015fimleri (fenoloji) kullan\u0131larak al\u0131nan uydu g\u00f6r\u00fcnt\u00fclerinden y\u00fcksek do\u011fruluklu \u00fcr\u00fcn haritas\u0131 \u00e7\u0131karmak m\u00fcmk\u00fcnd\u00fcr:<\/p>\n

\"Sekil9\"<\/a>
\u015eekil 9\u00a0\u00c7al\u0131\u015fma sahas\u0131 2015 y\u0131l\u0131 \u00fcr\u00fcn desen haritas\u0131<\/figcaption><\/figure>\n

\u00dcr\u00fcn desen haritalar\u0131 \u00e7ift\u00e7i desteklerinin takibi, istatiksel ama\u00e7larla, rekolte tahmini yapmak amac\u0131yla veya ak\u0131ll\u0131(hasssas) tar\u0131m uygulamalar\u0131nda kullan\u0131labilir. \u00dclkemiz taraf\u0131ndan gelecekte \u00fcretilecek uydular ile tar\u0131m alanlar\u0131n\u0131n izlenmesi i\u00e7in daha y\u00fcksek miktarda g\u00f6r\u00fcnt\u00fc sa\u011flanmas\u0131 m\u00fcmk\u00fcn olabilecektir.<\/p>\n

G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fcler kamu kurumlar\u0131 taraf\u0131ndan Hava Kuvvetleri Komutanl\u0131\u011f\u0131\u2019ndan \u00fccretsiz olarak temin edilebilmektedir<\/a>. 2017 y\u0131l\u0131 i\u00e7erisinde G\u00f6kt\u00fcrk-2 g\u00f6r\u00fcnt\u00fclerinin GEZG\u0130N \u00fczerinden da\u011f\u0131t\u0131lmas\u0131 ile ilgili \u00e7al\u0131\u015fmalar devam etmektedir.<\/p>\n

G. o. E. Observation, “GEOGLAM Crop Monitor,” [\u00c7evrimi\u00e7i] http:\/\/www.geoglam-crop-monitor.org\/<\/a>.<\/p>\n

 <\/p>\n

\u0130lgili \u00e7al\u0131\u015fmalar\u0131m\u0131z:<\/p>\n