Beta version
Beta version
Beta version
Beta version
These datasets presents the yearly maps and averages of the start of vegetation active period in both coniferous forests and deciduous vegetation during 2001-2019 in Finland. The start of the vegetation active period is defined as the day when coniferous trees start to photosynthesize and for deciduous vegetation as the day when trees unfold new l ...
BorealGreen-upPhenologyVegetationStart of season
| Title: | Vegetation Phenology in Finland |
|---|---|
| Publication Year: | 2020 |
| Description: |
These datasets presents the yearly maps and averages of the start of vegetation active period in both coniferous forests and deciduous vegetation during 2001-2019 in Finland. The start of the vegetation active period is defined as the day when coniferous trees start to photosynthesize and for deciduous vegetation as the day when trees unfold new leaves in spring. The datasets were derived from satellite observations of the Moderate Resolution Imaging Spectroradiometer (MODIS). |
| External links to the project: |
http://metatieto.ymparisto.fi:8080/geoportal/catalog/search/resource/details.page?uuid=%7B31F4499F-5F0F-4500-967B-6C275082A3AD%7D http://metatieto.ymparisto.fi:8080/geoportal/catalog/search/resource/details.page?uuid=%7B45D3F820-DA63-47FE-8ABA-53047CDCEF37%7D |
| License: | CC BY 4.0 |
Creator
| Name: | Kristin Böttcher |
|---|---|
| E-mail: | Kristin.Bottcher@ymparisto.fi |
| Organisation: | Finnish Environment Institute |
Contact
| Name: | Kristin Böttcher |
|---|---|
| E-mail: | Kristin.Bottcher@ymparisto.fi |
| Organisation: | Finnish Environment Institute |
Essential Biodiversity Variables (EBVs)
| EBV class | Ecosystem functioning |
|---|---|
| EBV name | Ecosystem phenology |
Spatial domain
| Spatial extent: |
National |
|---|---|
| Spatial description: | Finland |
| Spatial resolution: | 0.066428 degree |
Temporal domain
| Temporal resolution: | Yearly |
|---|---|
| Temporal extent: | From 2001-01-01 to 2018-12-31 |
Biological entity
| Entity type: | Vegetation |
|---|
Environmental domain
| Realm: | Terrestrial |
|---|
Metric
| Name: | Phenology Coniferus |
|---|---|
| Description: | The data set consists of yearly maps of the start of the vegetation active period (VAP) in coniferous forest (Day of Year), which is defined as the day when coniferous trees start to photosynthesize in spring. The data set was derived from Moderate Resolution Imaging Spetroradiometer (MODIS) satellite observation of Fractional Snow Cover. The day when snow cover decreases during spring melt was used as a proxy indicator for the beginning of the start of the vegetation active period. |
| Unit: | Day of year |
| Name: | Phenology Deciduous |
| Description: | The data set consists of yearly maps of the start of the vegetation active period (VAP) in deciduous vegetation (Day of Year), which is defined as the day when deciduous trees unfold new leaves in spring. It is also often referred to as the green-up or greening day. The data set was derived from time series of the Normalized Difference Water Index (NDWI) calculated from Moderate Resolution Imaging Spetroradiometer (MODIS) satellite observation. |
| Unit: | Day of year |
Scenario
No scenario provided |
| Description of resources: | The data set was derived from time series of the Normalized Difference Water Index (NDWI) calculated from Moderate Resolution Imaging Spetroradiometer (MODIS) satellite observation. |
|---|
Resources used to generate the data
| Resource 1 | |
| Name and version: | MODIS time-series-derived indicators for the beginning of the growing season in boreal coniferous forest — A comparison with CO2 flux measurements and phenological observations in Finland |
|---|---|
| Type: | Description of protocol |
| Access: | Restricted |
| Link: | https://doi.org/10.1016/j.rse.2013.09.022 |
| Reference: | |
| Resource 2 | |
| Name and version: | Evaluating biosphere model estimates of the start of the vegetation active season in boreal forests by satellite observations |
| Type: | Dataset |
| Access: | Open |
| Link: | https://doi.org/10.3390/rs8070580 |
| Reference: |
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© Hansen/UMD/Google/USGS/NASA
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