2.Light travels a certain distance in,say,10000 years.Can an astronaut travel more slowly than the speed of light and yet travel the same distance in a 10-year trip?Explain.3.Can you get younger by traveling at speeds near the speed of light?Explain.4.Joe Burpy is 30 years old and ...
parade, preaching and other various forms of propaganda activities, called on everyone to act, to protect and save the planet. This is the first time in human history of large scale mass environmental movement. This activity was a stunning success, a year after the "earth day" are in focus...
ecoregions <- ee$FeatureCollection("RESOLVE/ECOREGIONS/2017")complexCollection <- ecoregions$limit(10)Map$centerObject(complexCollection)Map$addLayer(complexCollection)expensiveOps <- complexCollection$map(function(f) {f$buffer(10000, 200)$bounds(200)})Map$addLayer(expensiveOps, {}, 'expensiveOps')...
a照片看到了 The picture saw[translate] aThe site currently contains two parking lots, a temporary trailer, and grazing land. 站点当前包含二个停车场、一辆临时拖车和放牧地带。[translate] aI venture to say that by the year 2500 there’ll be more people lives on moon than on the earth 我冒险...
loss <- image$select("lossyear") loss16 <- loss$eq(16)$rename("loss16") # 云掩膜功能。 maskL8sr <- function(image) { cloudShadowBitMask <- bitwShiftL(1, 3) cloudsBitMask <- bitwShiftL(1, 5) qa <- image$select('pixel_qa') mask <- qa$bitwiseAnd(cloudShadowBitMask)$eq(0)...
print(testSample$getInfo()) # Check this in the console. # 取一个大样本。 sample <- exportedStack$addBands(loss16)$stratifiedSample( numPoints = 10000, classBand = "loss16", region = geometry, scale = 30 ) # 导出大样本...
The THREDDS location for this Collection Daymet V3提供美国、墨西哥、加拿大、夏威夷和波多黎各的每日天气参数的网格化估计。它是由选定的气象站数据和各种辅助数据来源得出的。 与前一版本相比,Daymet V3使用一套全新的输入,包括。 NASA SRTM DEM 2.1版。
('sequence_s1',sequence_s1)//将上面的影像子集放入到影像集合中varbyMonthYear=ee.ImageCollection.fromImages(sequence_s1);print('byMonthYear',byMonthYear)//这里有一个非常实用的函数将一个影像集合转化为一个单波段的影像varmultibandNDVI=byMonthYear.toBands().clip(roi);print('multiband',multibandNDVI...
ee.ImageCollection("projects/geoscience-aus-cat/assets/ga_ls5t_nbart_gm_cyear_3") Resolution 25 meters 波段 * estimated min or max value 代码 var geomedian_ls5 = ee.ImageCollection('projects/geoscience-aus-cat/assets/ga_ls5t_nbart_gm_cyear_3'); ...
Note that the last 8-day period of each year is a 5 or 6-day composite period, depending on the year. According to the "Layers" section of the dataset docs, the class assignment in fill values 32761 through 32767 might be inaccurate. They are not included in the EE assets. ...