Masu bincike na Jami'ar Jihar Washington za su yi la'akari fiye da shekaru 20 na hotuna don sanin ko dabarun noman noman noma na karuwa a cikin jihar.
Yin amfani da tallafin dala 100,000 daga ofishin NASA Jet Propulsion Lab's Western Water Applications Office, masana kimiyya na Jami'ar Jihar Washington (WSU) za su yi amfani da na'ura don nazarin hotunan tauraron dan adam a yunƙurin koyo idan sauyin yanayi da tsawan lokacin girma na barin manoma su noma amfanin gona biyu. a kakar wasa daya a filin daya.
Shirin Landsat na NASA yana ɗauka tare da adana hotunan saman duniya kowane kwanaki 16. Don wannan sabon tallafin, Michael Brady, daga Makarantar Kimiyyar Tattalin Arziki ta WSU, da Kirti Rajagopalan, Sashen Injiniyan Tsarin Halittu, za su yi amfani da hotunan tsakiyar da gabashin Washington don neman alamun haɓakar noman noma sau biyu. Mingliang Liu da Claudio Stockle daga WSU da Perry Beale daga Ma'aikatar Aikin Gona ta Washington, masu haɗin gwiwa ne. Wannan aikin yana ginawa ne daga tallafin iri daga Cibiyar Binciken Ruwa ta Jihar Washington.
"A cikin shekaru 50 da suka gabata ko makamancin haka, lokacin girma na noman ban ruwa a Washington ya karu da makonni biyu zuwa uku," in ji Brady. "Tare da lokacin girma mai tsawo, yanzu yana da yuwuwar masu noma su iya shuka, girma, da girbi nau'i biyu na amfanin gona a cikin shekara."
Wannan karuwar samar da ruwa yana buƙatar ƙarin ruwa, wanda shine inda manufar wannan binciken ta fito. Ofishin Ma'aikatar Muhalli ta Jihar Washington na Kogin Columbia ya so sanin ko noman noma sau biyu yana ƙara shahara saboda hakan zai yi tasiri ga yawan ruwan da ake samu don noma.
"Hanyar noma sau biyu yana amfani da ruwa sosai fiye da girma da girbi amfanin gona guda," in ji Brady. "Amma da gaske ba a sami wata hanya ta ganin yawan masu noman da suke noma sau biyu ba a yanzu, balle nawa aka karu."
A nan ne hotunan tauraron dan adam NASA ke shigowa. Ta hanyar yin amfani da na'ura, masu binciken za su duba hotunan filayen guda daya kuma su auna yadda suke.
A kan hoton tauraron dan adam, filin da zai fara lokacin girma launin ruwan kasa kuma sannu a hankali ya zama kore, sa'an nan kuma ya sake yin launin ruwan kasa, sannan kuma wani sake zagayowar karin koren zai iya yin ninki biyu. Filayen da aka yanke guda ɗaya kawai zai nuna zagaye ɗaya na ƙara launin kore, sannan kuma launin ruwan kasa har zuwa kakar wasa ta gaba, in ji Brady.
"Babu yadda za a yi mutum, ko mutane goma sha biyu, su iya duba duk waɗannan hotuna na waɗannan filayen sama da shekaru 20," in ji Brady. "Amma ta yin amfani da koyon na'ura, za mu iya ganin yawan amfanin gona sau biyu ya karu a cikin kowane gonaki sama da shekaru ashirin."
Manufar ita ce a yi amfani da shekaru 20 da suka gabata don hasashen yawan noman noman zai karu a cikin shekaru goma masu zuwa ko fiye. Masu binciken za su kuma duba bayanai iri ɗaya na sassan California da Arizona, waɗanda a al'adance suna da yawan amfanin gona sau biyu saboda tsayin yanayi.
"Yayin da muka fara samun yanayi mai kama da sassan California, za mu iya ganin samar da abinci ya canza zuwa abin da aka yi a waɗannan yankunan," in ji Brady.
Hakan na iya yin babban tasiri kan haƙƙin ruwa ga manoma a Kogin Columbia. Brady yana fatan wannan tallafin zai taimaka wa masu yanke shawara su sami ƙarin bayanai don su iya tsara yiwuwar karuwar amfani da ruwa.
"Hanyar noman noma sau biyu hanya ce mai yuwuwa don taimakawa rage tasirin sauyin yanayi kan samar da abinci," in ji Brady. “Amma muna bukatar mu tsara yadda ake amfani da ruwa. Wannan aikin mataki ne mai kyau na farko a cikin wannan tsari."- Scott Weybright ne, Jami'ar Jihar Washington