NDVI inomiririra Normalized Difference Vegetation Index. Irondedzero inowanzoshandiswa mukuongorora kure uye kurima kuongorora nekutarisa hutano uye simba rezvirimwa.NDVIinoyera musiyano uripo pakati pemabhendi matsvuku neari pedyo neinfrared (NIR) eelectromagnetic spectrum, ayo anotorwa nemidziyo yekunzwa iri kure yakaita semasatellite kana madrone.

Fomura yekuverenga NDVI ndeiyi:

NDVI = (NIR – Tsvuku) / (NIR + Tsvuku)

Mufomura iyi, bhendi reNIR rinomiririra kuratidzwa kweinfrared pedyo, uye bhendi reRed rinomiririra kuratidzwa kwered. Makoshero acho anotangira pa -1 kusvika pa 1, aine makoshero akakwirira anoratidza zvirimwa zvine hutano uye zvakawandisa, nepo makoshero akaderera achimiririra zvirimwa zvishoma kana ivhu risina chinhu.

Ngano yeNDVI

NDVI yakavakirwa papfungwa yekuti zvinomera zvine hutano zvinoratidza chiedza chiri pedyo neinfrared uye zvinotora chiedza chitsvuku chakawanda. Nekuenzanisa mabhendi maviri aya,NDVIinogona kusiyanisa zvinobudirira mhando dzakasiyana dzevhu uye kupa ruzivo rwakakosha nezvehuwandu hwemiti, maitiro ekukura, uye hutano hwese.

Inoshandiswa zvakanyanya mukurima, masango, kutarisa zvakatipoteredza, nedzimwe nzvimbo dzekurima kuti iongorore shanduko mumiti nekufamba kwenguva, kuongorora hutano hwezvirimwa, kuona nzvimbo dzakakanganiswa nekusanaya kwemvura kana zvirwere, uye kutsigira sarudzo dzekutarisira ivhu.

Nzira yekushandisa NDVI mukurima sei?

NDVI chishandiso chakakosha mukurima chekutarisa hutano hwezvirimwa, kugadzirisa manejimendi yezviwanikwa, uye kuita sarudzo dzakarongeka. Heano mamwe maitiro ekushandisa NDVI mukurima:

Kuongororwa Kwehutano hwezvirimwa:

NDVI inogona kupa ruzivo pamusoro pehutano hwese uye simba rezvirimwa. Nekugara uchitora data reNDVI mumwaka wekurima, varimi vanogona kuona nzvimbo dzine dambudziko kana kukura kusina kunaka kwezvirimwa. Kuderera kwehunhu hweNDVI kunogona kuratidza kushomeka kwezvinovaka muviri, zvirwere, kushomeka kwemvura, kana kukuvara kwezvipembenene. Kuonekwa kwezvinetso izvi nekukurumidza kunobvumira varimi kutora matanho ekugadzirisa, akadai sekudiridza kwakanangana, kuberekesa, kana kudzora zvipembenene.

Kushandiswa kweNDVI mukurima

Kufanotaura Kwezvibereko:

Ruzivo rweNDVI rwakaunganidzwa mumwaka wekurima runogona kubatsira kufanotaura goho rezvirimwa. NekuenzanisaNDVIkukosha kweminda yakasiyana kana matunhu ari mumunda, varimi vanogona kuona nzvimbo dzine goho rakakura kana rakaderera. Ruzivo urwu runogona kubatsira mukuvandudza kugoverwa kwezviwanikwa, kugadzirisa huwandu hwezvirimwa, kana kushandisa matekiniki ekurima nemazvo kuti zviwedzere goho rose.

Kutarisira Kudiridza:

NDVI inogona kubatsira mukuvandudza nzira dzekudiridza. Nekutarisa kukosha kweNDVI, varimi vanogona kuona zvinodiwa nemvura muzvirimwa uye kuona nzvimbo dzine mvura yakawandisa kana kuti isina kudiridza zvakakwana. Kuchengetedza mwero wehunyoro hwevhu hwakakodzera zvichibva padata reNDVI kunogona kubatsira kuchengetedza zviwanikwa zvemvura, kuderedza mari yekudiridza, uye kudzivirira kushaikwa kwemvura kana kuzara kwemvura muzvirimwa.

Kutarisira Fetiraiza:

NDVI inogona kutungamira kushandiswa kwefetereza. Nekutarisa kukosha kweNDVI mumunda, varimi vanogona kuona nzvimbo dzine zvinodiwa zvakasiyana-siyana zvekudya. Kukosha kwakakwira kweNDVI kunoratidza zvirimwa zvine hutano uye zvinokura nesimba, nepo kukosha kwakaderera kunogona kuratidza kushomeka kwekudya. Nekushandisa fetereza zvakanyatsonaka zvichibva pakushandiswa kweNDVI-guided variable rate, varimi vanogona kuvandudza kushandiswa kwezvinovaka muviri, kuderedza marara efetereza, uye kukurudzira kukura kwezvirimwa zvakaenzana.

Kuongororwa kwezvirwere nezvipembenene:NDVI inogona kubatsira mukuona zvirwere kana zvipembenene nekukurumidza. Zvirimwa zvisina hutano zvinowanzoratidza hunhu hwakaderera hweNDVI zvichienzaniswa nezvirimwa zvine hutano. Kugara uchitarisa NDVI kunogona kubatsira kuona nzvimbo dzinogona kukonzera matambudziko, zvichiita kuti pave nekupindira panguva yakakodzera nematanho akakodzera ekugadzirisa zvirwere kana matanho ekudzora zvipembenene.

Kugadzira Mepu yeMunda uye Kuronga Nzvimbo:Data reNDVI rinogona kushandiswa kugadzira mamepu emiti ane ruzivo rwakadzama eminda, zvichibvumira varimi kuona kusiyana kwehutano hwezvirimwa uye simba razvo. Mamepu aya anogona kushandiswa kugadzira nzvimbo dzekutarisira, uko zviito zvakananga, zvakaita sekushandiswa kwezvishandiso zvinoshanduka-shanduka, zvinogona kuitwa zvichienderana nezvinodiwa nenzvimbo dzakasiyana mumunda.

Kuti vashandise NDVI zvinobudirira mukurima, varimi vanowanzo vimba nehunyanzvi hwekuona zviri kure, hwakadai semifananidzo yesatellite kana madrone, ane masensa e multispectral anokwanisa kubata ma spectral bands anodiwa. Maturusi esoftware anoshandiswa kugadzirisa nekuongorora data reNDVI, zvichibvumira varimi kuita sarudzo dzakarongeka nezvemaitiro ekutarisira zvirimwa.

malenzi ekamera api akakodzera NDVI?

Pakutora mifananidzo yekuongorora NDVI, zvakakosha kushandisa malenzi ekamera chaiwo akakodzera kutora mabhendi espectral anodiwa. Heano marudzi maviri akajairika emalenzi anoshandiswa pakutora mifananidzo iyi.NDVImafomu:

Lenzi yemwenje inoonekwa yakajairika:

Rudzi urwu rwelenzi runobata spectrum inooneka (inowanzo bvira pa400 kusvika 700 nanometers) uye rinoshandiswa kubata bhendi dzvuku rinodiwa pakuverenga NDVI. Lenzi yechiedza inooneka yakajairwa yakakodzera izvi sezvo ichibvumira kutora chiedza chitsvuku chinooneka chinoratidzwa nemiti.

Lenzi yeNear-Infrared (NIR):

Kuti ubate bhendi reNIR, iro rinokosha pakuverenga NDVI, lenzi yeNIR yakakosha inodiwa. Lenzi iyi inobvumira kubata chiedza chiri mumhando yeinfrared (inowanzova pakati pe700 ne1100 nanometers). Zvakakosha kuve nechokwadi chekuti lenzi inokwanisa kubata chiedza cheNIR nemazvo pasina kusefa kana kuchikanganisa.

Magirazi anoshandiswa pakushandisa NDVI

Mune zvimwe zviitiko, kunyanya pakushandisa tekinoroji yekuongorora kure, makamera e multispectral anoshandiswa. Makamera aya ane masensa akawanda kana mafirita anobata ma spectral bands chaiwo, kusanganisira ma red bands ne NIR bands anodiwa pa NDVI. Makamera e multispectral anopa data rakarurama uye rakarurama rekuverenga NDVI zvichienzaniswa nekushandisa ma lenses akasiyana pakamera inoonekwa.

Zvakakosha kuziva kuti kana uchishandisa kamera yakagadziriswa pakuongorora NDVI, uko firita yemukati mekamera yakatsiviwa kuti ikwanise kutora NIR, malenzi chaiwo akagadzirirwa kutora chiedza cheNIR angasave akakosha.

MukupedzisaNDVI yaratidza kuva chishandiso chinokosha pakurima, ichigonesa varimi kuwana ruzivo rwakakosha pamusoro pehutano hwezvirimwa, kugadzirisa manejimendi yezviwanikwa, uye kuita sarudzo dzinotungamirirwa nedata. Nekuda kuri kuramba kuchiwedzera kwekutsvaga NDVI kwakarurama uye kunoshanda, zvakakosha kuva nemidziyo yakavimbika inobata mabhendi espectral anodiwa nemazvo.

KuChuangAn, tinonzwisisa kukosha kwetekinoroji yemifananidzo yemhando yepamusoro mumashandisirwo eNDVI. Ndosaka tichidada nekutanga kushandisa tekinoroji yedu.Lenzi yeNDVIes. Yakagadzirirwa kushandiswa pakurima, lenzi yedu yakagadzirwa kuti itore mabhendi matsvuku neari pedyo neinfrared nemazvo uye zvakajeka zvikuru.

Kushandurwa kwekamera yeNDVI

Iine magirazi epamusoro-soro uye magirazi epamusoro, lenzi yedu yeNDVI inoita kuti chiedza chisakanganiswe zvishoma, ichipa mhedzisiro yakavimbika uye inoenderana yekuverenga kweNDVI. Kuenderana kwayo nemakamera akasiyana-siyana uye kubatanidzwa kwayo kuri nyore kunoita kuti ive sarudzo yakakodzera kune vaongorori vezvekurima, nyanzvi dzezvekurima, nevarimi vari kutsvaga kusimudzira ongororo yavo yeNDVI.

Negirazi reNDVI raChuangAn, unogona kuvhura mukana wese we tekinoroji yeNDVI, zvichikupa simba rekuita sarudzo dzine ruzivo rwakadzama nezvekudiridza, kushandisa fetereza, kuona zvirwere, uye kugadzirisa goho. Ona musiyano uripo pakunyatsojeka uye kushanda zvakanaka negirazi redu reNDVI remazuva ano.

Kuti udzidze zvakawanda nezve lenzi yedu yeNDVI yaChuangAn uye kuti ingavandudza sei ongororo yako yeNDVI, shanyira webhusaiti yedu.https://www.opticslens.com/ndvi-lenses-product/.

Sarudza ChuangAn'sMagirazi eNDVIuye wedzerai kuongorora nekuongorora kwekurima kwenyu kusvika padanho idzva. Tsvagai nyika yemikana yakawanda nehunyanzvi hwedu hwepamusoro hwemifananidzo.